M.S.A.M. Anik, M.R. Islam, M.A. Iqbal, and K.M.S. Quader, “INVESTIGATION INTO POTENTIAL OF FLY ASH OBTAINED FROM COAL-BASED POWER PLANTS TO CONTRIBUTE TO SUSTAINABLE ENVIRONMENT”, INTERNATIONAL JOURNAL OF GEOMATE, vol. 14, no. 42, pp. 128–133, Feb. 2018.