Saleh Mahmud, S. A. ., Ferdous, T. ., Alam, M. M. ., Hossain, M. S., Shozib, H. B. ., Khalil, F. ., Akter, F. and Hossain, M. N. (2021) “Para-Phenylenediamine (PPD) in commercially available Henna preparations in Bangladesh”, Bioresearch Communications, 8(1), pp. 1088–1092. doi: 10.3329/brc.v8i1.57048.