Manullang W, Silalahi FR. PENGARUH KOMPOSISI MEDIA TANAM TERHADAP PERTUMBUHAN BIBIT KAKAO (Theobroma cacao L.). Agrica [Internet]. 2020Jan.9 [cited 2024May7];13(2):28-4. Available from: https://ejournal.polbangtanmedan.ac.id/index.php/agrica/article/view/9