00627nam a2200181Ia 4500 CTU_58499 210402s9999 xx 000 0 und d 636.0286 D513 Nguyễn Nhựt Xuân Dung Evaluation of green plants and by-products from the Mekong delta with emphasis on fibre utilisation by pigs: Doctoral thesis Nguyễn Nhựt Xuân Dung Uppsala, Sweden Swedish Univ. of Agricultural Sciences 2001 animal feeding Minh Trung tâm Học liệu Trường Đại học Cần Thơ