“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”. 2022. Bangladesh Journal of Scientific and Industrial Research 57 (1): 1-6. https://doi.org/10.3329/bjsir.v57i1.58894.