Pratama YP. PROFITABILITY ANALYSIS OF ORNAMENTAL CORAL REEF BUSINESSES AT UD. SURYA MANDIRI LESTARI, BANYUWANGI DISTRICT, EAST JAVA. JECE [Internet]. 2024Jul.19 [cited 2024Nov.21];4(1). Available from: https://jurnalpengabdian.com/index.php/jece/article/view/816