Kartini. J, et al. “Effect of Spinach Powder Supplementation in Feed on the Growth and Survival of Mud Crabs”. Oceanica: Jurnal Riset Kelautan Dan Perikanan, vol. 1, no. 1, June 2025, pp. 1-7, https://jurnal.itkpi.ac.id/index.php/oceanica/article/view/15.