2022. Fabrication of Cu2ZnSnS4 (CZTS) thin films by ultrasonic spray pyrolysis at a low substrate temperature and effect of tin concentration on the characteristics of the CZTS thin films. Bangladesh Journal of Scientific and Industrial Research. 57, 1 (Mar. 2022), 1–6. DOI:https://doi.org/10.3329/bjsir.v57i1.58894.