Mahdizadeh Farsangi, A. H. “TECHNICAL, ECONOMIC, AND ENVIRONMENTAL ASSESSMENT OF HEATING SUPPLY APPROACHES FOR A RESIDENTIAL COMPLEX EQUIPPED WITH A DISTRICT HEATING SYSTEM IN KERMAN USING NATURAL GAS AND SOLAR ENERGY”. TMP Universal Journal of Research and Review Archives, vol. 5, no. 1, May 2026, doi:10.69557/ujrra.v5i1.266.