Firas Ahmed Mohammed, Fayyadh Mohammed Abed, Fayyadh Mohammed Abed, Raaid Rashad Jassem. THERMAL PERFORMANCE EVALUATION OF GROUND HEAT EXCHANGERS WITH NANO FLUIDS AND DIFFERENT PIPING SYSTEMS: EXPERIMENTAL STUDY IN IRAQ. KSR [Internet]. 2026 Jul. 13 [cited 2026 Jul. 14];3(2):27-40. Available from: https://bulletin.ouk.kz/index.php/bulletin/article/view/47