Ali, M. A., Jahan, N. and Islam, A. K. M. A. (2014) “Sulvanite Compounds Cu₃TMS₄ (TM = V, Nb and Ta): Elastic, Electronic, Optical and Thermal Properties using First-principles Method”, Journal of Scientific Research, 6(3), pp. 407–419. doi: 10.3329/jsr.v6i3.19191.