na INLIS000000000002497 Ind 0010-1118002497 Aquactic products in Vietnam DANG, NGOC THANH Dang Ngoc Thanh; Mai Dinh Yen; and Nguyen Nhat Thi Hanoi Foreign Languages Publishing House 1985 70 p. : 22 cm. 70 p. : 22 cm. 577.472DANa 577.472(26)(597) AQUATIC ENVIRONMENT VIETNAM 1477/91