Paraye, A. et al. 2021. Facile Ultrasound-Assisted Synthesis of Copper Zinc Tin Sulfide Chalcogenide Nanoparticles for Thin Film Solar Cell Applications. Periodica Polytechnica Chemical Engineering. 65, 1 (Jan. 2021), 42–49. https://doi.org/10.3311/PPch.14923.