Rahmanzai, F. , Takigawa, M. , Bomura, Y. , Date, S.. "Combined Effect of Heat Stimulation and Delayed Addition of Superplasticizer with Slag on Fresh and Hardened Property of Mortar". World Academy of Science, Engineering and Technology, Open Science Index 130, International Journal of Structural and Construction Engineering (2017), 11(10), 1468 - 1472.