Effect of Methyl Jasmonic Acid and Tryptophan on Increasing Vincristine Content of Leaf Cell Suspension Culture Catharanthus roseus (L.) G. Don. - Khoiriyah, Siti Khoiriyah; Santosa, Djoko; Purwantini, Indah (Indonesian Journal of Pharmacy; Article In Press 2025, 2025)