“ UNGRAMMATICAL SENTENCES: A GRAMMATICAL ERROR ANALYSIS ON ARCHITECTS STUDENTS’ CORPUSES OF PONTIANAK STATE POLYTECHNIC ”. Jurnal Ilmiah Spectral 8, no. 1 (January 31, 2022): 012–018. Accessed September 19, 2024. http://journal.stbapontianak.ac.id/index.php/spectral/article/view/84.