KEARIFAN LOKAL TRADISI NYADRAN LINTAS AGAMA DI DESA KAYEN-JUWANGI KABUPATEN BOYOLALI Local Wisdom of Cross-Religious Nyadran Tradition at Kayen-Juwangi Village of Boyolali - Riyadi, Agus (Balai Penelitian dan Pengembangan Agama Semarang, 2017)