(1)
Gulo, R. S.; Simangunsong, R. L.; Tafonao, S. B. K.; Yusuf, M.; Yennimar, Y. Comparison of Spread Spectrum With Redundant Pattern Coding In Securing Text Messages Into Audio: Comparison of Spread Spectrum With Redundant Pattern Coding In Securing Text Messages Into Audio. Mantik 2020, 4, 1237-1242.