Puu, Yustina Maria Silvia Wonga. (2020) 2020. “UJI EFEKTIVITAS EKSTRAK KULIT BATANG PULAI (Alstonia Scolaris) TERHADAP HAMA Plutella Xylostella”. AGRICA 7 (1):34-44. https://doi.org/10.37478/agr.v7i1.401.