MOBARAKI, Mahmoud, and MOSAFFA JAHROMAbolfazl. “Empty Category in Persian Relative Clauses”. Acta Linguistica Asiatica 9, no. 2 (July 30, 2019): 53-70. Accessed August 7, 2020. https://revije.ff.uni-lj.si/ala/article/view/8022.