“Chemical Composition of Waru Leaf (Hibiscus tiliaceus) in Lingkar Timur Area, Sidoarjo: Kandungan Senyawa Kimia Daun Waru (Hibiscus tiliaceus) di Kawasan Lingkar Timur Sidoarjo ” (2020) Journal Pharmasci (Journal of Pharmacy and Science), 5(2), pp. 39–42. doi:10.53342/pharmasci.v5i2.167.