Thongmee, A., and R.- shane Meesri. “A COMPARATIVE STUDY OF COLLABORATIVE WRITING THROUGH SMALL MIXED-ABILITY GROUPS TO REDUCE WRITING ANXIETY OF GRADE 12 STUDENTS”. An Online Journal of Education, vol. 14, no. 2, Dec. 2019, p. OJED1402036 (14 pages), doi:10.14456/ojed.2019.44.