Muktirianur et al. 2023. Efektifitas Kombinasi Zat Pengatur Tumbuh (ZPT) dan Sumber Eksplan pada Kultur Jaringan Tanaman Kakao (Theobroma cacao L) dan lada (Piper nigrum L): Effectiveness of the Combination Plant Growth Regulator (PGR) and Explant in Plant Tissue Cultures of Cacao (Theobroma cacao L) and Pepper (Piper nigrum L). Agrifarm: Jurnal Ilmu Pertanian. 12, 2 (Dec. 2023), 151–156. DOI:https://doi.org/10.24903/ajip.v12i2.2256.