Kabalan, N., M. Ahmad, and A. Asad. “Effect of Variable Dust Charge on Overtaking Collision of Multi-Solitons in Dusty Plasma”. Jordan Journal of Physics, vol. 16, no. 2, Nov. 2023, pp. 169-80, https://jjp.yu.edu.jo/index.php/jjp/article/view/60.