Ruaya Tanmas, Jittima Damrongwattana, Udomsak Dechochai and Sutira Chairuksa Ngoenthawon 2025. STUDY OF PROBLEMS IN HYDROPONIC VEGETABLE CULTIVATION: A CASE STUDY OF BARAKAT FARM COMMUNITY ENTERPRISE GROUP, VILLAGE NO. 5, NA KHIAN SUB-DISTRICT, MUEANG DISTRICT, NAKHON SI THAMMARAT PROVINCE. Journal of Innovation for Sustainable Social Development. 5, 1 (Jun. 2025), 36–48.