UMAR , A., A. H. YAHAYA, and A. ALI. “TESTING FOR LONG-RUN ELASTICITIES IN THE PRESENCE OF STRUCTURAL CHANGE: EVIDENCE FROM CLIMATE CHANGE FOR SOUTH AFRICA”. JOURNAL OF ECONOMICS AND ALLIED RESEARCH, vol. 10, no. 1, Apr. 2025, pp. 454-67, http://jearecons.com/index.php/jearecons/article/view/524.