Rosalina, Reny, Chuchita, and Stevin Angga. 2023. “Educating on Processing Fruit and Vegetable Peel Waste to Become Eco- Enzymes As an Introduction to the Application of Chemistry in High School Students: Pelatihan Pengolahan Limbah Kulit Buah Dan Sayur Menjadi Eco-Enzim Sebagai Pengenalan Implementasi Ilmu Kimia Pada Siswa Sekolah Menengah Atas”. NAWASENA : JOURNAL OF COMMUNITY SERVICE 1 (01):20-25. https://e-journal.upr.ac.id/index.php/JCS/article/view/8536.