IRAWAN, Didi; NUGRAHINI, Tutik; MAHDALENA. Effect of Fertilizer Manure on Growth Swallow Seed Varieties Some Rubber (Hevea brasiliensis Muell Arg): Pengaruh Pemberian Pupuk Kotoran Burung Walet Terhadap Pertumbuhan Beberapa Varietas Bibit Karet (Hevea brasiliensis Muell Arg. Agrifarm: Jurnal Ilmu Pertanian, [S. l.], v. 2, n. 1, p. 7–10, 2013. Disponível em: https://journal.uwgm.ac.id/agrifarm/article/view/1248. Acesso em: 29 mar. 2024.