Environmental science /
Arma, Karen.
Environmental science / Karen Arms - Int. ed. - Philadelphia, Pa. : Saunders College Pub, c1990 - xix, 468 p. ; 28 cm.
0030470986
Conservation of natural resources
Economic development--Environmental aspects
333.7 / ARM
Environmental science / Karen Arms - Int. ed. - Philadelphia, Pa. : Saunders College Pub, c1990 - xix, 468 p. ; 28 cm.
0030470986
Conservation of natural resources
Economic development--Environmental aspects
333.7 / ARM