Saragih, Leonardo. 2023. “PROFITABILITY ANALYSIS IN PEARL CATFISH HATCHERY (CLARIAS SP.) AT THE PEOPLE’S NURSERY UNIT (UPR) BUDI FISH FARM SLEMAN, YOGYAKARTA”. JECE - Journal of Empowerment Community and Education 3 (3). https://jurnalpengabdian.com/index.php/jece/article/view/806.