“COMPARATIVE BIOACTIVITY OF PLANT EXTRACTS AND SYNTHETIC INSECT GROWTH REGULATORS AGAINST Spodoptera litura (F.) (LEPIDOPTERA: NOCTUIDAE)” (2019) Jurnal Hama dan Penyakit Tumbuhan Tropika, 19(2), pp. 118–126. doi:10.23960/j.hptt.219118-126.