ธรรมลังกา ป, เส็งศรี ส. THE EFFECT OF USING LEARNING DOCUMENT WITH AUGMENTED REALITY TECHNOLOGY ABOUT CHINESE PINYIN FOR MATTAYOMSUKSA 4 STUDENTS. ECT Journal [Internet]. 2021 Jun. 8 [cited 2024 May 5];16(20):32-43. Available from: https://so01.tci-thaijo.org/index.php/ectstou/article/view/243041