?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=PRIHANTORO%2C+Hijrian+Angga%2C+-&rft.aulast=PRIHANTORO%2C+Hijrian+Angga&rft.aufirst=-&rft.issue=1&rft.volume=2&rft.date=2018&rft.atitle=THE+CONCEPT+OF+CONSTANTS+AND+VARIABLES+IN+THE+PHILOSOPHY+OFISLAMIC+EDUCATION+FROM+RELIGIOUS+PRINCIPLES+TO+INTELLECTUALSCHOOLS&rft.title=Indonesian+Journal+of+Interdisciplinary+Islamic+Studies+(IJIIS)&rft.pages=91-124&rft.genre=article