Ahmed, MG, UKR Romman, SM Ahmed, Khondaker Akhter, ME Halim, and M Salauddin. “A Study on the Synthesis of 5, 7-Diaryl-1,2,3,4-Tetrahydro-2, 4-Dioxo-5<i>H</i>-Pyrano [2,3-<i>d</I>]pyrimidines”. Bangladesh Journal of Scientific and Industrial Research 41, no. 3 (August 1, 2007): 119–128. Accessed May 5, 2024. https://banglajol.info/index.php/BJSIR/article/view/281.