00507nam a2200181Ia 4500 CTU_126097 210402s9999 xx 000 0 und d 346.0438 P983 Pultra World Trade Centre Book of abstracts Pultra World Trade Centre Kuala Lumpur Malaysian Scientific Association 2005 Abstract of title Nguyên Trung tâm Học liệu Trường Đại học Cần Thơ