Muhammad Omar Cheema, Zia Mohy Ud Din, Jahan Zeb Gul, Fawad Salam Khan, Mohd Norzali Haji Mohd, and David Lim, “A Cost-Effective Electrical Stimulation Device for Non-Pharmacological Pain Management During Pregnancy”, IJIE, vol. 18, no. 1, pp. 99–110, Apr. 2026, Accessed: Jul. 22, 2026. [Online]. Available: https://publisher.uthm.edu.my/ojs/index.php/ijie/article/view/24367