Muhammad Muizz Mohd Nawawi, Khairul Azami Sidek, and Amelia Wong Azman. “ECG in Real World Scenario: Time Variability in Biometric Using Wearable Smart Textile Shirts”. Journal of Advanced Research in Applied Sciences and Engineering Technology 40, no. 2 (February 28, 2024): 36–49. Accessed May 20, 2024. https://semarakilmu.com.my/journals/index.php/applied_sciences_eng_tech/article/view/3411.