Peng, H. “Maxwell Equations Derived from (Coulomb’ Law + velocity), Maxwell-Type Gravity Derived from (Newton’s Law + velocity), Spin-Electromagnetics Derived from (Coulomb’ Law + spin), Spin-Gravity Derived from (Newton’s Law + Spin) --- Duality, Symmetry, and Uni”. European Journal of Applied Sciences, vol. 13, no. 04, July 2025, pp. 123-7, doi:10.14738/aivp.1304.19150.