Kavosh Tehrani, M., and A. Babazadeh. “Quantum Size Effect on Band Gap and Effective Mass of ZnS Nano-Particle”. Asian Journal of Chemistry 23, no. 2 (October 25, 2010): 871–874. Accessed July 23, 2024. https://asianpubs.org/index.php/ajchem/article/view/15874.