หวังศิริกำโชค ฉ. and ฟูกุชิม่า ย. 2018. A RELATIONSHIP BETWEEN METACOGNITIVE LEARNING STRATEGY AND JAPANESE LANGUAGE LEARNING ACHIEVEMENT OF UPPER SECONDARY LEVEL STUDENTS IN BANGKOK. Phranakhon Rajabhat Research Journal : Humanities and Social Sciences. 14, 2 (Oct. 2018), 90–104.