Winindra Al Haq. “Rancang Alat Pengukur Denyut Nadi Berbasis Sensor Strain Gauge Melalui Media Bluetooth Smartphone”. SinarFe7 4, no. 1 (December 16, 2021): 497–502. Accessed April 18, 2024. https://journal.fortei7.org/index.php/sinarFe7/article/view/128.