Lubis MY, Sipayung R, Irsal. Tanggap Pertumbuhan Bibit Kakao (Theobroma cacao L.) Terhadap Berbagai Komposisi Media Tanam dan Frekuensi Penyiraman. Petrop [Internet]. 2019Apr.1 [cited 2025Aug.4];6(1):1-10. Available from: https://idjpcr.usu.ac.id/jpt/article/view/3033