Atinuch Pin-ngern และ Jiranthara Srioutai. (2015) AN INTERLANGUAGE PRAGMATIC STUDY OF THAI EFL LEARNERS' APOLOGY: LINGUISTIC REALIZATION AND METAPRAGMATIC AWARENESS. Chulalongkorn University:ม.ป.ท.Atinuch Pin-ngern และ Jiranthara Srioutai. 2015. AN INTERLANGUAGE PRAGMATIC STUDY OF THAI EFL LEARNERS' APOLOGY: LINGUISTIC REALIZATION AND METAPRAGMATIC AWARENESS. ม.ป.ท.:Chulalongkorn University;Atinuch Pin-ngern และ Jiranthara Srioutai. AN INTERLANGUAGE PRAGMATIC STUDY OF THAI EFL LEARNERS' APOLOGY: LINGUISTIC REALIZATION AND METAPRAGMATIC AWARENESS. ม.ป.ท.:Chulalongkorn University, 2015. Print.