Manullang, Windy, and Firman RL Silalahi. 2020. “PENGARUH KOMPOSISI MEDIA TANAM TERHADAP PERTUMBUHAN BIBIT KAKAO (Theobroma Cacao L.).”. Agrica Ekstensia 13 (2), 28-34. https://doi.org/10.55127/ae.v13i2.9.