Jaiswal, V. Economic zoology / Vinita Jaiswal and Kamal Kumar Jaiswal - New Delhi : PHI Learning Pvt. Ltd., 2014. - 261 p. ; ill. : 26 cm. It includes bibliographical information and index. ISBN: 9788120348868 Subjects--Topical Terms: EconomicZoologyProtozoan Dewey Class. No.: 591.603 / JAI