00636nam a2200181Ia 4500 CTU_17117 210402s9999 xx 000 0 und d 330 F218/N139 Jean Marie Baland FAO economic and social development paper N139: Population pressure and management of natural resources: Income-sharing and labour absorption in small-scale fisheries Jean Marie Baland, FAO Rome FAO 1996 economics,population Nguyễn Quang Điền, 970611 Trung tâm Học liệu Trường Đại học Cần Thơ