อาจารย์ ดร.กรทิพย์ รัตนภุมมะ Kornthip Ratanapumma, Ph.D. การศึกษา Education Doctor of Philosophy Program in Educational Administration, University of Phayao, 2022 Master of Arts, English Language Teaching, Assumption University, 2002 Bachelor of Arts, Business Japanese, Assumption University, 1999 ผลงานทางวิชาการ Thesis and Research Effects of University Students’ English Speaking According to English Instructional Model Based on Communicative […]
