Akhter, K., S. Ahmed, M. E. Halim, M. Kader, K. Jahan, U. Romman, and M. Ahmed. “One Step Cyclocondensation of (thio)barbituric Acid With Chalcones in Glacial Acetic Acid and Phosphorous Pentoxide: Part-I”. Bangladesh Journal of Scientific and Industrial Research, vol. 51, no. 2, June 2016, pp. 129-38, doi:10.3329/bjsir.v51i2.28110.