Syahputra, Edy, and Djoko Prijono. “Pembuatan Formulasi Ektrak Kulit Batang Calophyllum Soulattri Dan Aktivitas Residu Terhadap Larva Crocidolomia Pavonana”. Jurnal Entomologi Indonesia 5, no. 2 (February 23, 2017): 61. Accessed May 3, 2024. http://pei-pusat.org/jurnal/index.php/jei/article/view/255.