REZA DARAFSHEH, M., REZA ASHRAFI, A., & DARAFSHEH, A. (2010). Full Non-Rigid Group of 1,3,5-Trimethyl-2,4,6-trinitrobenzene Using Wreath Product. Asian Journal of Chemistry, 21(5), 3631–3636. Retrieved from https://asianpubs.org/index.php/ajchem/article/view/17340