Abdul Aziz, R. and Mohd Don, Z. (2022) “A CORPUS-BASED STUDY OF BE-COPULA IN NATIVE SPEAKER AND NON-NATIVE SPEAKER LEARNERS’ ARGUMENTATIVE ESSAYS”, Journal of Nusantara Studies (JONUS), 7(2), pp. 21-43. doi: 10.24200/jonus.vol7iss2pp21-43.