“TRANSACTION COST AND PERFORMANCE EVALUATION OF ECOLOGICAL RESTORATION PROJECTS IN CHINA: CASE STUDY OF CHICHENG COUNTY, HEBEI PROVINCE”. Journal of Geography and Environmental Management 64, no. 1 (April 10, 2022): 112–125. Accessed July 13, 2026. https://bulletin-geography.kaznu.kz/index.php/1-geo/article/view/1159.