Abifah, S.N. et al. 2023. The Effectiveness of Vegetable Neem Leaf Pesticides Against Purple Spot Disease on Onion Plants in The Rain Season. Nusantara Science and Technology Proceedings. 2023, 03 (Mar. 2023), 65–70. DOI:https://doi.org/10.11594/nstp.2023.3114.