{{Cite conference| pages = 901–911| last1 = Li| first1 = T.| last2 = Merabtine| first2 = A.| last3 = Lachi| first3 = M.| last4 = Martaj| first4 = N.| last5 = Bennacer| first5 = R.| title = Experimental study on the thermal comfort due to an exposed underground floor heating to a direct sun radiation| booktitle = ECOS 2020 - Proceedings of the 33rd International Conference on Efficiency, Cost, Optimization, Simulation and Environmental Impact of Energy Systems| date = 2020}}