Wongsapan, S. and Sitthipon Art-in, S.A.- in 2023. THE DEVELOPMENT OF A SUPPLEMENTARY COURSE ENGLISH FOR CAREER TO IMPROVE SPEAKING AND ANALYTICAL THINKING ABILITIES OF GRADE 9 STUDENTS USING ACTIVITIY-BASED LEARNING WITH CONCEPT MAPPING. Journal for Developing the Social and Community . 10, 2 (Aug. 2023), 327–346.