CHING-YU, Yang; TSUNG-HSIANG, Hsu; PEI-YUN, Chen. Combined Use of Enhanced Coefficient Adjustment Technique and Module-based Substitution to Hide Secret Message in ECG Signal. European Journal of Applied Sciences, [S. l.], v. 11, n. 5, p. 141–162, 2023. DOI: 10.14738/aivp.115.15576. Disponível em: https://scholarpublishing.org/journals/index.php/EJAS/article/view/8620. Acesso em: 30 may. 2026.