Arni, Arni, Dini Hadiarti, and Tuti Kurniati. 2024. “Development of E-Module Based on Premna Serratifolia Research to Identify Functional Group of Secondary Metabolites”. Jurnal Pendidikan Kimia 16 (2):119-26. https://doi.org/10.24114/jpkim.v16i2.59061.