Gatenby, Ruth M. Sheep production in the tropics and sub-tropics - London : Longman, 1986 - 351 p. : ilus. - Tropical agriculture series . - Tropical agriculture series . 40-140 LCCN: 1142 Subjects--Topical Terms: Ganado lanar--Producción.Ganado lanar--Trópicos. Dewey Class. No.: 636.3 / G3