Sakanlai, P., and P. . Sukseemuang. “Effectiveness of Using Grammar Logs With Explicit Corrective Feedback in Improving Grammatical Ability for Writing Skill of Grade 9 Students”. Journal of Liberal Arts Prince of Songkla University, vol. 13, no. 2, Dec. 2021, pp. 144-69, doi:10.14456/jlapsu.2021.7.