Ulum, Miftachul. 2019. “MODERNIZATION AND COMMERCIALIZATION OF RELIGIOUS TOURISM ON REDUCTION OF PIWULANG VALUES SUNAN DRAJAT LAMONGAN (CRITICAL STUDY OF THE WEAKENING OF THE TEACHINGS AND CULTURAL VALUES OF SUNAN DRAJAT LAMONGAN)”. Teosofia: Indonesian Journal of Islamic Mysticism 8 (1):81-96. https://doi.org/10.21580/tos.v8i1.5301.