B. . Irawan, Y. Yulhendri, K. Kartini, N. . Anwar, B. . Tjahjojo, and A. . . Sundari Meganingrum, “Design And Development Of A Baby Sleep Monitoring System Based On Internet Of Things (Iot)”, IJSTM, vol. 3, no. 4, pp. 835–844, Jul. 2022.