Hasputri, R., Sudradjat, S. and Sugiyanta, S. (2017) “organic fertilizer; NPK compound fertilizer; vegetative growth; productivity”., International Journal of Sciences: Basic and Applied Research (IJSBAR), 36(1), pp. 213–225. Available at: https://gssrr.org/JournalOfBasicAndApplied/article/view/7981 (Accessed: 23 October 2025).