R. Mohamed, S. and شیرین 2009. Synthesis of some substituted 1,3,4-oxadiazoles, thiadiazoles and 1,2,4-triazoles. Journal of Education and Science (JES). 22, 2 (Jun. 2009), 29–37. DOI:https://doi.org/10.33899/edusj.2009.57686.