2023. Comments on the paper “How to calculate crystallite size from x-ray diffraction (XRD) using Scherrer method” by Siti Fatimah et al. published in ASEAN Journal of Science and Engineering 2 (2022) 65. ASEAN Journal of Science and Engineering. 3, 3 (Dec. 2023), 301–304. DOI:https://doi.org/10.17509/ajse.v3i3.56905.