Title	Effects of Wind and PV Energy on Optimal Determination of Energy Storage and Spinning Reserve Capacity
Author	Seyyed Mahdi Esmaeili, Hossein Haroonabadi
Citation	Vol. 17  No. 4  pp. 21-29
Keywords	Differential evolution algorithm, Energy storage system, Photovoltaic energy, Spinning reserve, Wind energy.

Title	Investigating and designing library for children in Qom
Author	Sajedeh fardi, morteza seddigh
Citation	Vol. 17  No. 4  pp. 30-36
Keywords	library, child, education, child space, mind, creativity

Title	Designing the engineers’ building of Qom province using eco-technological approach
Author	Zahra Maleki Kahaki, Morteza Seddigh
Citation	Vol. 17  No. 4  pp. 37-43
Keywords	sustainable development, sustainable architecture, eco-technology, solar water heaters, photovoltaic system, solar cells

Title	Designing Recreational Center Using Urban Open Spaces in Qom
Author	Atiyeh abdolghaffari, morteza seddigh
Citation	Vol. 17  No. 4  pp. 44-50
Keywords	leisure, recreation, urban public sphere, urban open space, urban green space, social interactions