D. Halu, M.Y. , U. Roga, A. and M. Ratu, J. (2020) “The Correlation of Obedience to SOP and Sleep Quality with Workplace Accidents in Slaughterhouse”, International Journal of Sciences: Basic and Applied Research (IJSBAR), 53(1), pp. 143–151. Available at: https://www.gssrr.org/JournalOfBasicAndApplied/article/view/11319 (Accessed: 5 December 2025).