Widigdo, Bambang, Agus Alim Hakim, Ali Mashar, Iya Purnama Sari, and Yusli Wardiatno. 2020. “Comparison of Morphological Characters of Freshwater Crayfish (Cherax Quadricarinatus) from Different Ecosystems in Indonesia”. Jurnal Biologi Tropis 20 (3):507-13. https://doi.org/10.29303/jbt.v20i3.2310.