Efektifitas Ekstrak Daun Tembakau Terhadap Mortalitas Hama Ulat Grayak (Spodoptera Frugiperda) . Biogenerasi [Internet]. 2026 Aug. 26 [cited 2026 Sep. 9];11(3):1249 – 1255. Available from: https://e-journal.my.id/biogenerasi/article/view/9302