Lusigi, W. J. (1978). Planning human activities on protected natural ecosystems: The conservation unit approach to the planning and management of national parks and reserves in Kenya, based on the Nairobi National Park Ecosystem. J. Cramer.

Lusigi, Walter Jami. Planning Human Activities on Protected Natural Ecosystems: The Conservation Unit Approach to the Planning and Management of National Parks and Reserves in Kenya, Based on the Nairobi National Park Ecosystem. Vaduz: J. Cramer, 1978.

Lusigi, Walter Jami. Planning Human Activities on Protected Natural Ecosystems: The Conservation Unit Approach to the Planning and Management of National Parks and Reserves in Kenya, Based on the Nairobi National Park Ecosystem. J. Cramer, 1978.