ICNP national park handbook : basic installations and facilities, sections 5.31 and 5.32 Author(s) Thorsell, J. W.
ICNP national park handbook : policy related to facilities in national parks, section 5.34 Author(s) Forster, Richard R.
ICNP national park handbook : the management, ownership and operation of facilities, section 5.33 Author(s) Wright, J.
The approach to planning and initiating a protected areas in Saudi Arabia Author(s) Abu-Zinada, A. H. Child, Graham Grainger, John
