et. al., Ms. Purude Vaishali Narayanrao ,. “Estimation of Visual Heart Rate to Predict Depression”. Turkish Journal of Computer and Mathematics Education (TURCOMAT) 12, no. 11 (May 10, 2021): 6050–6055. Accessed May 4, 2024. https://turcomat.org/index.php/turkbilmat/article/view/6923.