Mahdalena 2023. The Growth responsse of cacao seeds (Theobroma cacao L.) to the application of urea fertilizer and liquid organic fertilizer of gamal leaves: Respon Pertumbuhan Bibit Kakao (Theobroma cacao L.) Terhadap Pemberian Pupuk Urea Dan Pupuk Organik Cair Daun Gamal. Agrifarm: Jurnal Ilmu Pertanian. 12, 1 (Jul. 2023), 51–58. DOI:https://doi.org/10.24903/ajip.v12i1.2279.