“Productivity of Earthworms (Pheretima sp.) With the Combination of Cow Dung and Flour of Green Mussel Shell Flour As Cultivation Media”. Jurnal Ilmu Produksi dan Teknologi Hasil Peternakan 11, no. 2 (June 30, 2023): 88–93. Accessed December 24, 2025. https://journal.ipb.ac.id/ipthp/article/view/48368.