TY - JOUR TI - The effect of the use of different cover materials on heat transfer in flat solar collectors AU - Tekkalmaz, M. AU - Timuralp, Ã. AU - Sert, Z. JO - Journal of Thermal Engineering PY - 2020 VL - 6 SP - 829 EP - 842 DO - 10.18186/thermal.800158 ER -