Penprapa Mungkonwong และ Jirada Wudthayagorn. (2016) AN INVESTIGATION OF THE MEDIATORS BETWEEN VOCABULARY SIZE AND READING COMPREHENSION OF FIRST-YEAR UNDERGRADUATE STUDENTS. Chulalongkorn University:ม.ป.ท.Penprapa Mungkonwong และ Jirada Wudthayagorn. 2016. AN INVESTIGATION OF THE MEDIATORS BETWEEN VOCABULARY SIZE AND READING COMPREHENSION OF FIRST-YEAR UNDERGRADUATE STUDENTS. ม.ป.ท.:Chulalongkorn University;Penprapa Mungkonwong และ Jirada Wudthayagorn. AN INVESTIGATION OF THE MEDIATORS BETWEEN VOCABULARY SIZE AND READING COMPREHENSION OF FIRST-YEAR UNDERGRADUATE STUDENTS. ม.ป.ท.:Chulalongkorn University, 2016. Print.