Ladawan Kumpa. 1981. Production and profitability analysis of small-scale fisheries : the case of Chumporn. Bangkok:Kasetsart University;
Ladawan Kumpa. (1981) Production and profitability analysis of small-scale fisheries : the case of Chumporn (รายงานผลงานวิจัย). Kasetsart University:Bangkok.
Ladawan Kumpa. Production and profitability analysis of small-scale fisheries : the case of Chumporn. Bangkok:Kasetsart University, 1981.
Ladawan Kumpa. (1981) Production and profitability analysis of small-scale fisheries : the case of Chumporn (รายงานผลงานวิจัย). Kasetsart University:Bangkok.