The impact of COVID-19 and locust invasion on farm households in Punjab and Sindh analysis from cross sectional surveys in Pakistan gan Yamano, Takashi

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Protecting our planet, securing our future. Linkage among global environmental issues and human needs. gan Watson, Robert T., Dixon, John A., Hamburg, Steven P., Janetos, Anthony C., Moss, Richard H.

Expanding the measure of wealth indicators of environmetal sustainable development.

Protected area economics and policy linking conservation and sustainable development.

Lecture-Series on the Philippine Environment in the 21st century Issues and concerns. gan Emmanuel, Jorge A., Gatmaytan, Gus B., Kalaw Jr., Maximo T., Leonen, Marvic F., Luna ,Maria Paz G., Paredes, Jim J.

Functions of nature evaluation of nature in environmental planning, management and decision making gan de Groot, R.S

PCARR '81