MIFTA UMMUL MAGHFIROH, NIM: 17203010097 (2022) PERJANJIAN ARISAN ONLINE “SISTEM MENURUN” PERSPEKTIF MAQĀṢID ASY-SYARĪ’AH JASEER AUDA (STUDI ARISAN ONLINE METRO DI INSTAGRAM). Masters thesis, UIN SUNAN KALIJAGA YOGYAKARTA.