Nasution, A. B. ., Hrp, A. Y. N. ., Yudi, Y., & Fauzi, M. . (2024). Implementation of OTP Code as Application Login Verification Via Whatsapp. Indonesian Journal of Applied and Industrial Sciences (ESA), 3(4), 395–402. https://doi.org/10.55927/esa.v3i4.10225