Al Fikry, Mohammad, 		Mustamar, Sunarti, AND 		Pudjirahardjo, Christanto.
" MANTRA PETAPA ALAS PURWO: KAJIAN SEMIOTIKA RIFFATERRE" <em>SEMIOTIKA: Jurnal Ilmu  Sastra dan Linguistik</em> [Online], Volume 20 Number 2 (21 July 2019)