Gumarpi Rahis Pasaribu, and Mulyadi. “Malay Interrogative Sentences: X-Bar Analysis ”. RETORIKA: Jurnal Ilmu Bahasa 9, no. 1 (April 25, 2023): 43–53. Accessed January 16, 2026. https://www.ejournal.warmadewa.ac.id/index.php/jret/article/view/6191.