TUKSIN KHUNPIPARK 2022. DEVELOPMENT OF WORKBOOKS FOR THAI READING AND WRITING SPELLING SKILLS BASED ON COOPERATIVE LEARNING AND MIND MAPPING TECHNIQUES AFFECTING PRATHOM SUKSA 2 STUDENTS’ READING AND WRITING SPELLING SKILLS, SATISFACTION OF LEARNING AND LEARNING ACHIEVEMENT. EDUCATION JOURNAL FACULTY OF EDUCATION KAMPHAENGPHET RAJABHAT UNIVERSITY . 3, 6 (Sep. 2022), 14–29.