Singh, H.S. .
Principles of environmental conservation / H.S.Singh. - Dehradun : International Book Distributors , 1989. - vi,273p. : ill.maps.charts ; 21cm .
Includes bibliographical referenes
8770891019 Rs 75.00
CONSERVATION OF NATURAL RESOURCES
577 / SIN/P
Principles of environmental conservation / H.S.Singh. - Dehradun : International Book Distributors , 1989. - vi,273p. : ill.maps.charts ; 21cm .
Includes bibliographical referenes
8770891019 Rs 75.00
CONSERVATION OF NATURAL RESOURCES
577 / SIN/P