Agustini, N. L. G. M., Ida Bagus Benny Surya Adi Pramana and Rieka Yulita Widaswara (2025) “Optimization of Mass Communication through Instagram Social Media by the Public Relations of Aletheia Christian School in Ampenan”, Journal of Social Science and Education Research, 2(5), pp. 200–210. doi: 10.59613/jitir.v2i4.25.