Bukhori, I.; Junaidi; Nurliana. Attraction Test of the Horned Beetle (Oryctes Rhinoceros L.) Effect of Natural Attractants on Pineapple Fermentation (Ananas Comosus ) and Palm Oil (Arenga Pinnata) at PTPN IV Sei Putih Plantation, North Sumatra, Indonesia . JUATIKA 2026, 8, 935 -.