Wipada Yeesoonyeam, Roongfa Kitiyanusan, and Sirawan Jaradrawiwat, “A COMPARATIVE STUDY OF GRADE 2 STUDENTS ABILITY IN ENGLISH LISTENING - SPEAKING AND LEARNING RETENTION BETWEEN USING COMMUNICATIVE APPROACH SUPPLEMENTED WITH TOTAL PHYSICAL RESPONSE (TPR) AND THE CONVENTIONAL LEARNING”, jlarus, vol. 2, no. 2, pp. 403–414, Sep. 2020.