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 J. Sci. Eng. 2023;3(3):301-304. doi:10.17509/ajse.v3i3.56905