Widyastuti, R.A. Diana, Kus Hendarto, Ali Rahmat, Hayane Adeline Warganegara, Indah Listiana, and Sandi Asmara. “The Combination of Biofertilizer and Organic Fertilizer to Improve Shallot (Allium Ascalonicum L.) Production”. Journal of Tropical Crop Science 8, no. 01 (March 7, 2021): 16–21. Accessed April 30, 2025. https://www.j-tropical-crops.com/index.php/agro/article/view/354.