N. E. Rosuliana, D. Mariani, K. Kusmiyati, E. Mawaddah, and M. U. Ningsih, “Effectiveness of Enis Pneumonia Care QR Code-Based E-Health Platform on Maternal Knowledge of Toddler Pneumonia Detection and Early Treatment”, medica (int. med. scientific J.), vol. 8, no. 10, pp. 1292–1303, Oct. 2026.