E. C. Ayuningtyas, M. D. Rahmayantis, S. D. Sasongko, and Suhartono, “Variasi Kata Sapaan dalam Akun Twitter @schfess: Variations of Greetings in the Twitter Account @schfess”, Jubasan, vol. 6, no. 2, pp. 23-36, Oct. 2022.