Tambusai, Azhary, Khairina Nasution, and Sofia Rahmi. “Basic Structure of the Riau Malay Clauses”. International Journal of Social Sciences and Humanities Invention 9, no. 08 (August 25, 2022): 7169–7178. Accessed June 1, 2024. https://valleyinternational.net/index.php/theijsshi/article/view/3614.