Omer A. THERMAL PERFORMANCES OF DIFFERENT TYPES OF UNDERGROUND HEAT EXCHANGERS. Int. J. Eng. Tech. Mgmt. Res. [Internet]. 2015 Aug. 31 [cited 2025 Oct. 6];2(2):10-5. Available from: https://granthaalayahpublication.org/ijetmr-ojms/ijetmr/article/view/02_IJETMR15_A08_27