Subandi, Muhammad, Dikayan ., and Efrin Firmansyah. 2018. “Production of Reserpine of Rauwolfia Serpentina [L] Kurz Ex Benth through in Vitro Culture Enriched With Plant Growth Regulators of NAA and Kinetin”. International Journal of Engineering & Technology 7 (2.29): 274-78. https://doi.org/10.14419/ijet.v7i2.29.13331.