Introduction to environmental studies /
Turk, Jonathan.
Introduction to environmental studies / Jonathan Turk. - 3rd ed. - Philadelphia : Saunders college, 1989. - 392 p.
Includes index.
0030236991
Conservation and natural resources--Study and teaching.
QH 541 / .T87
Introduction to environmental studies / Jonathan Turk. - 3rd ed. - Philadelphia : Saunders college, 1989. - 392 p.
Includes index.
0030236991
Conservation and natural resources--Study and teaching.
QH 541 / .T87