Effect of Plant Growth Regulators on Callus Induction in Piper betle L. var. Nigra: Pengaruh Berbagai Jenis ZPT terhadap Induksi Kalus Piper betle L. var. Nigra. Journal Pharmasci (Journal of Pharmacy and Science), [S. l.], v. 8, n. 1, p. 7–13, 2023. DOI: 10.53342/pharmasci.v8i1.302. Disponível em: https://e-journal.akfarsurabaya.ac.id/index.php/jps/article/view/302. Acesso em: 21 jun. 2026.