Faris FAEF, Febi FY, Iwan II, Pizaini P. Combination of vigenere cipher cryptographic algorithm with zigzag method in securing text messages. CoSciTech [Internet]. 2023Apr.30 [cited 2024May21];4(1):182-9. Available from: https://ejurnal.umri.ac.id/index.php/coscitech/article/view/4787