Title: Sara samkan kh̨ōng phon kānwičhai r̄ưang samritphon kh̨ōng laksūt matthayom sưksā chabap prapprung Ph̨ō. S̨ō. 2533 "Wisaithat kānmatthayom sưksā nai ʻanākot
Subjects: Secondary Education, Curricula, Research
Places: Thailand