00667nam a2200181Ia 4500 CTU_22991 210402s9999 xx 000 0 und d 636 F218/N141 FAO FAO animal production and health paper N141 Biological control of gastro-intestinal nematodes of ruminants using predacious fungi ( Proceeding of a workshop organized by FAO and the Danish Centre for Experimental Parasitology Ipoh, Malaysia, 5-12 Octocber 1997 ) FAO Rome FAO 1997 veterinary parasitology Trung tâm Học liệu Trường Đại học Cần Thơ