Sari, Mery, Nugroho, L, AND Sukirno, Sukirno. " Effectiveness of n-hexane and ethanol extract of papaya (Carica papaya L.) leaves as shallot pest (Spodoptera exigua Hübner) natural insecticide" Jurnal Biologi Udayana [Online], Volume 26 Number 2 (28 December 2022)