00584nam a2200193Ia 4500 CTU_4056 210402s9999 xx 000 0 und d 639 E34/N.53 EIFAC EIFAC technical paper N.53 Report of the symposium on production enhancement in still-water pond culture EIFAC, FAO Rome FAO 1990 fish-culture,fisheries,freshwater fishes Nguyễn Quang Điền, 960530 Trung tâm Học liệu Trường Đại học Cần Thơ