1. Ramdan, I.M., K.P. Candra and M. Sultan, 2022. Perception of preventing behavior against COVID-19 among Indonesian industrial workers. Int. J. Public Health Sci., 11: 98-105.
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2. Setiadi, R., Arsyawina, U. Kalsum, N.A. Syukur and I.M. Ramdan, 2021. Bullying as a risk factor of depression on undergraduate health students. Global Pediatr. Health, Vol. 8. 10.1177/2333794x211023711.
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3. Ramdan, I.M., K.P. Candra and U.R. Mahdiyyah, 2021. Fatigue on oil refinery workers and related factors. Open Access Maced. J. Med. Sci., 9: 887-894.
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4. Ramdan, I.M., K.P. Candra and H. Purwanto, 2020. Factors associated with cholinesterase level of spraying workers using paraquat herbicide at oil palm plantation in East Kalimantan, Indonesia. J. Kesehatan Lingkungan Indonesia, 19: 16-20.
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5. Ramdan, I.M., K. Duma and D.L. Setyowati, 2019. Reliability and validity test of the Indonesian version of the nordic musculoskeletal questionnaire (NMQ) to measure musculoskeletal disorders (MSD) in traditional women weavers. Global Med. Health Commun., 7: 123-130.
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6. Ramdan, I.M. and D. Sartika, 2019. Low back pain among samarinda sarong's traditional weavers and its related factors. Public Health Indonesia, 5: 1-7.
7. Ramdan, I.M., S.H. Ilmiah and A.R. Firdaus, 2018. Occupational irritan contact dermatitis among shipyard workers in Samarinda, Indonesia. KEMAS: J. Kesehatan Masyarakat, 14: 239-246.
8. Ramdan, I.M., R. Susanti, R.H. Ifroh and R. Noviasty, 2018. Risk factors for diphtheria outbreak in children aged 1-10 years in East Kalimantan province, Indonesia. F1000Research, Vol. 7. .
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9. Ramdan, I.M., N. Anggun and F. Ade Rahmat, 2018. Risk factor of pnemonia among children aged under 5 years. A case control study in Samarinda, Indonesia. Int. J. Med. Sci. Clin. Invent., 5: 3601-3605.
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10. Ramdan, I.M., K.P. Candra and A.R. Fitri, 2018. Factors affecting musculoskeletal disorder prevalence among women weavers working with handlooms in Samarinda, Indonesia. Int. J. Occupat. Safety Ergon., 10.1080/10803548.2018.1481564.
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11. Ramdan, I.M. and D.I. Wijayanti, 2018. Unsafe behavior of workers in rotary lathe section in one of the plywood industries in East Kalimantan. Kesmas: Nat. Public Health J., 13: 30-35.
12. Ramdan, I.M., 2015. Implementation of patient safety program by nurse at hospital "X" in Samarinda and factors influence. Kes Mas: J., 9: 145-150.
13. Ramdan, I.M. and T.B. Laksmono, 2012. [Determinant of musculosceletal disorders complaint on female workers]. Kesmas: National Publ. Health J., 7: 169-172.
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14. Ramdan, I.M., 2011. Improving of health and safety achievement through the behavior approach. J. Manajemen Pelayanan Kesehatan, 14: 63-67.
15. Ramdan, I.M., 2011. Improving occupational health and safety conditions of informal sector through corporate social responsibility program. J. Manajemen Pelayan Kesehatan, 15: 2-6.