TY - BOOK AU - Sagamiko,Thadei Damas TI - Modelling optimal control of a threatened prey-predator system : :a case of Wildebeest-lion predator relationship in the Serengeti ecosystem AV - THS EAF QL758.T34S23 PY - 2016/// CY - Dar es Salaam PB - University of Dar es Salaam KW - Predation (Biology) KW - Predatory animals KW - Mathematical models N1 - includes bibliographical references ER -