“Effect of Liquid Organic Fertilizer and Cuttings of Bulbs on Growth and Production of Shallots (Alium Ascalonicum L.): Pengaruh Pupuk Organik Cair dan Pemotongan Umbibibit Terhadap Pertumbuhan dan Produksi Bawang Merah (Alium Ascalonicum L.)” (2015) Nabatia, 3(1), pp. 12–21. doi:10.21070/nabatia.v12i1.1592.