Muktirianur (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), pp. 151–156. doi: 10.24903/ajip.v12i2.2256.