Sitompul HS, Maulina I, Situmorang I. Analisis Kandungan Unsur Hara pada Eco-enzyme Menggunakan Jeruk (Citrus sinensis) dan Nenas (Ananas comosus): Analysis of Nutrient Content in Eco-enzyme Using Orange (Citrus sinensis) and Pineapple (Ananas comosus). Elektriese [Internet]. 2025 Apr. 25 [cited 2026 Jun. 17];15(01):40-4. Available from: https://itscience-indexing.com/jurnal/index.php/elektriese/article/view/5820