@article{ author = {moulaii, mohammad mehdi, Ebrahimi, Elham, pilechiha, peiman}, title = {Investigating the efficiency of light shelf geometric parameters in saving energy consumption due to the light factor in cold climate residential buildings: the case study of a five -storey building in Ilam city}, journal = {Journal of Environmental Science and Technology}, year = {2025}, volume = {27}, number = {2}, pages = {119-134}, doi = {} }