00745nam a2200193Ia 4500 CTU_161674 210402s9999 xx 000 0 und d 639.31 T104 Bui, Minh Tam A study on the nutrition and genetic variation of the freshwater angelfish (Pterophyllum scalare) : Thesis submitted in partial fulfillment of requirements for the academic degree of master of science in the faculty of applied science and technology Bui Minh Tam Malaysia Universiti Putra Malaysia 2000 Freshwater fishes,Cá nước ngọt Trọng Hải Trung tâm Học liệu Trường Đại học Cần Thơ