Use of Industrial Silica Sand as a Fine Aggregate in Concrete—An Explorative Study oleh Ramalingam Malathy, Sellamuthu Ramachandran Rajagopal Sentilkumar, Annamalai Rangasamy Prakash, B. B. Das, Ill-Min Chung, Seung-Hyun Kim, Mayakrishnan Prabakaran