1. Tourism Development And Resource Conservation ( An Environmental , Ecological , Social _ Economic and cultural Approach to Tourism in Developing countries )
Author: Jagmohan , Negi
Library: Library of Graduate Faculty of Environment of Tehran Univerdity (Tehran)
Subject: Tourism _ Developing countries _ Environmental aspects
Classification :
G
155
.
D44N44
1990


2. Tourism development and resource conservation : an environmental, ecological, socio-economic & cultural approach to tourism in developing countries
Author: Negi, Jagmohan
Library: Central library and information center (Khorasan Razavi)
Subject: Environmental aspects ، Tourism - Developing countries
Classification :
G
155
.
D44
N44
1990

