M. Nabil, F. K. Al-Assfor, and M. A. Al-Ebadi, “Fast Combined Decimal/Binary Multiplier Based on Redundant BCD 4221-8421Digit Recoding”, BJES, vol. 17, no. 1, pp. 40–47, Jan. 2017, doi: 10.33971/bjes.17.1.6.