Asiah Wati, Mahdalena, and Akhmad Sopian1, “Effect of Fertilizer Petroganik and Liquid Organic Fertilizer on Growth DI Grow Green Tangerines Citrus Seed Borneo Prima (C. reticulata Blanco) Origin Grafting: Pengaruh Pemberian Pupuk Petroganik dan Pupuk Organik Cair D.I Grow Green Terhadap Pertumbuhan Bibit Jeruk Keprok Borneo Prima (C. reticulata Blanco) Asal Okulasi”, agri. j. ilmu. pertan., vol. 3, no. 1, pp. 14–18, Jul. 2014.