Pereira, H C . Policy and practice in the management of tropical watersheds / H.C. Pereira. - Dehra Dun : International Books Distributors , 1989. - 237 : illsq ; 22cm . Includes bibliographical references and index ISBN: 817089123X Rs. 250.00 Subjects--Index Terms: TROPICAL WATERSHEDS Dewey Class. No.: 333.73 / PER/P