Zakhidov Н., Rakhmatillaev Ш., Samborsky А., and Mamatkulov М. “IMPROVEMENT OF PRODUCTION TECHNOLOGY AT INTENSIVE AFRICAN CATFISH BREEDING”. SCIENCE AND INNOVATIVE DEVELOPMENT, vol. 3, no. 3, July 2020, pp. 128-35, https://ilm-fan-journal.csti.uz/index.php/journal/article/view/192.