Muktirianur, et al. “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, vol. 12, no. 2, Dec. 2023, pp. 151-6, doi:10.24903/ajip.v12i2.2256.