1. Siahaan, R., N.S. Ai and P. Siahaan, 2019. Ecological functions of vegetation of riparian in preventing landslide of upper Ranoyapo river, North Sulawesi-Indonesia. Biosci. Res., 16: 1638-1640.
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2. Nio, S.A., R. Siahaan and D.P.M. Ludong, 2019. Partial submergence tolerance in rice (Oryza sativa L.) cultivated in North Sulawesi at the vegetative phase. Pak. J. Biol. Sci., 22: 95-102.
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3. Laihad, J.T., J.R. Leke, R.M. Tinangon, L. Tangkau, M.N. Regar and R. Siahaan, 2019. Production performance and egg quality in native chickens fed diet of skipjack fish oil. J. Adv. Agric. Technol., 6: 43-47.
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4. Patty, J.O., R. Siahaan and P.V. Maabuat, 2018. The occurrence of heavy metals (Pb, Cd, Cu, Zn) on water and sediment in the river Lowatag, Southeast Minahasa-North Sulawesi. J. Bioslogos, 8: 15-21.
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5. Nio, S.A., R. Siahaan and D.P.M. Ludong, 2018. Shoot elongation rate in North Sulawesi local rice (Oryza sativa L.) under flooding and drought stress at the vegetative phase was different from the reproductive phase. Biosci. Res., 15: 1712-1717.
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6. Bental, W.P., R. Siahaan and P.V. Maabuat, 2017. Riparian vegetation diversity of Polimaan river, South Minahasa-Sulawesi Utara. J. Bioslogos, 7: 27-31.
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7. Bando, A.H., R. Siahaan and M.L.D. Langoy, 2016. Riparian vegetation diversity of tewalen river, South Minahasa regency-North Sulawesi. J. Ilmiah Sains, 16: 7-11.
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8. Siahaan, R. and N.S. Ai, 2014. Jenis-jenis vegetasi riparian sungai ranoyapo, Minahasa selatan. J. LPPM Bidang Sains Teknol., 1: 7-12.
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