A Handbook of practical fish culture for Zambia. - [Amended ed.] / edited by M.A.E. Mortimer [and] amended by D.J. Ruth. - Chilanga : Game and Fisheries Dept., 1965. Subjects--Topical Terms: Fisheries -- Zambia.--Fisheries -- Zambia.Fishes -- Zambia.--Fishes -- Zambia.