Interaction of man & the biosphere inquiry in life science

التفاصيل البيبلوغرافية
مؤلفون آخرون:	Abraham, Norman
التنسيق:	كتاب
منشور في:	Chicago Rand McNally c1970.
سلاسل:	Interaction science curriculum project v1
الموضوعات:	Ecology > Study and teaching (Secondary) Environmental protection. Biology > Study and teaching (Secondary) Nature > Effect of human beings on. Ecology.