Rochmawati, D. ., J. . Nurkamto, M. . Nizam, and . D. Rochsantiningsih. “Development and Validation of a Digital ESP Learning App, Based on Self-Regulated Learning Approach to Support Nursing Students’ Speaking Skills”. International Journal of Learning, Teaching and Educational Research, vol. 24, no. 12, Dec. 2025, pp. 872-01, http://www.ijlter.net/index.php/ijlter/article/view/2647.