Rochmaniah, Ainur, and Elnika Fajarini. 2020. “Customer Service in Influencing Perceptions of New Students and Services of Upt PMB University of Muhammadiyah Sidoarjo ”. Kanal: Jurnal Ilmu Komunikasi 9 (1), 33-37. https://doi.org/10.21070/kanal.v9i1.787.