Report of the United Nations conference on the human environment.

Report of the United Nations conference on the human environment.

গ্রন্থ-পঞ্জীর বিবরন
সংস্থা লেখক: United Nations. Conference on the Human Environment, Stockholm, 1972
বিন্যাস: গ্রন্থ
ভাষা:English
প্রকাশিত: New York United Nations c1973.
বিষয়গুলি:
Human ecology > Congresses.
Conservation of natural resources > Congresses.
Environmental policy > Congresses.