1. Yurnaliza, Y., I. Nurwahyuni, S. Lenny, E. Rizal and D. Wirandi et al., 2019. Total phenolic content of oil palm roots (Elaeis guineensis Jacq.) as preliminary health indicators in oil palm plantation. J. Phys.: Confer. Ser., Vol. 1351. 10.1088/1742-6596/1351/1/012026.
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2. Siregar, R.V., D. Suryanto and Yurnaliza, 2019. Antibacterial ability of endophytic bacteria isolated from Kemenyan (Styrax benzoin L.). IOP Confer. Ser.: Earth Environ. Sci., Vol. 305. 10.1088/1755-1315/305/1/012054.
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3. Munir, E., J. Mamangkey, A. Lutfia and Yurnaliza, 2019. Antibacterial and phosphate solubilization activity of endophytic bacteria isolated from Pterydophyta (Tectaria barberi). IOP Confer. Ser.: Earth Environ. Sci., Vol. 305. 10.1088/1755-1315/305/1/012019.
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4. Munir, E., A. Lutfia and Yurnaliza, 2019. Records of culturable endophytic fungi inhabiting Rhizome of Elettaria in Hutan Sibayak, North Sumatera. IOP Confer. Ser.: Earth Environ. Sci., Vol. 305. 10.1088/1755-1315/305/1/012004.
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5. Lutfia, A., E. Munir, Yurnaliza and M. Basyuni, 2019. Screening of antagonistic fungi from Elettaria litoralis (J. Kánig) Giseke rhizome in Hutan Sibolangit, North Sumatra. J. Phys.: Confer. Ser., Vol. 1351. 10.1088/1742-6596/1351/1/012025.
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6. Lutfia, A., E. Munir and Yurnaliza, 2019. Antagonistic endophytic fungi of Hedychium coronarium J. Koenig from Hutan Sibayak and Taman Hutan Raya, North Sumatra against Staphylococcus aureus ATCC® 29213TM. IOP Confer. Ser.: Earth Environ. Sci., Vol. 305. 10.1088/1755-1315/305/1/012002.
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7. Lutfia, A, E. Munir and Yurnaliza, 2019. Antagonistic endophytic fungi of Globba pendula Roxb. from Taman Hutan Raya, North Sumatra against Staphylococcus aureus ATCC® 29213TM. IOP Confer. Ser.: Earth Environ. Sci., Vol. 305. 10.1088/1755-1315/305/1/012003.
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8. Hartanto, A., A. Lutfia, E. Munir and Yurnaliza, 2019. Identification of a potential IAA-producing fungus isolated from Alpinia Sp. rhizome in Hutan Sibayak, North Sumatera. J. Phys.: Confer. Ser., Vol. 1351. 10.1088/1742-6596/1351/1/012024.
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9. Harahap, N.F., Y. Yurnaliza, B. Saksono, D. Edyliani and R. Siregar, 2019. The effect of cobalt on mmobilized D-psicose 3-epimerase activity in Ca-Alginate beads. IOSR J. Pharm. Biol. Sci., 14: 56-58.
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10. Zega, A., D. Suryanto and Yurnaliza, 2018. An ability of endophytic bacteria from nutgrass (Cyperus rotundus) from lafau beach of north nias in producing indole acetic acid and in solubilizing phosphate. IOP Confer. Ser.: Earth Environ. Sci., Vol. 130. 10.1088/1755-1315/130/1/012007.
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11. Yurnaliza and I. Jamilah, 2018. Isolation and identification of exopolysaccharide-producing endophytic fungi from leaf midribs of oil palm. J. Phys.: Confer. Ser., Vol. 1116. 10.1088/1742-6596/1116/5/052080.
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12. Waty, S. and D. Suryanto, 2018. Antibacterial activity of cinnamon ethanol extract (Cinnamomum burmannii) and its application as a mouthwash to inhibit Streptococcus growth. IOP Confer. Ser.: Earth Environ. Sci., Vol. 130. 10.1088/1755-1315/130/1/012049.
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13. Sovia, A., N. Priyani and E. Munir, 2018. Potency of dye absorbtion of exopolysaccharide producing fungi isolated from Gunung Barus North Sumatera, Indonesia. J. Phys.: Confer. Ser., Vol. 1116. 10.1088/1742-6596/1116/5/052079.
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14. Sari, M. and D. Suryanto, 2018. Antimicrobial activity of lactic acid bacteria isolated from bekasam against Staphylococcus aureus ATCC 25923, Escherichia coli ATCC 25922 and Salmonella sp. IOP Confer. Ser.: Earth Environ. Sci., Vol. 130. 10.1088/1755-1315/130/1/012011.
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15. Siregar, A.Z. and Yurnaliza, 2017. Potential, Opportunities and Strategies (POS) of rice productivity through integr a ted pest management in Tidal Land Paddy percut, Sumatera Utara, Indonesia. Int. J. Adv. Sci. Eng. Technol., 5: 4-9.
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16. Nasution, H., Yurnaliza, Veronicha, Irmadani and S. Sitompul, 2017. Physicochemical properties and characteristics of Microcrystalline cellulose derived from the cellulose of oil palm empty fruit bunch. IOP Conf. Ser.: Mat. Sci. Eng., Vol. 223. 10.1088/1757-899X/223/1/012056.
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17. Nasution, H. and S. Sitompul, 2017. Preparation and characterization of cellulose microcrystalline (MCC) from fiber of empty fruit bunch palm oil. IOP Confer. Ser.: Mater. Sci. Eng., Vol. 180. 10.1088/1757-899X/180/1/012007.
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18. Esyanti, R.R., A. Susanto and I. Aryantha, 2017. The chitinase activity of oil palm ('Elaeis guineensis' Jacq.) roots against fungal endophytes and pathogenic 'Ganoderma boninense'. Plant Omics, 10: 247-251.
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19. Yurnaliza, I.N.P. Aryantha, R.R. Esyanti and A. Susanto, 2014. Antagonistic activity assessment of fungal endophytes from oil palm tissues against Ganoderma boninense pat. Plant Pathol. J., 13: 257-267.
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