Kawinvasin, Supaporn, Passamon Lertchalermtipakoon, Suppachart Pochote, and Veeratip Chinorak. 2021. “Using Genre Awareness to Enhance Business Email Correspondence among EFL Students:: Making Complaints”. Academic and Research Journal of Liberal Arts (Online) 16 (1):45-58. https://so04.tci-thaijo.org/index.php/larhcu/article/view/248656.