CHARACTERISTICS OF SCHOOL ADMINISTRATORS AFFECTING EFFECTIVENESS OF ACADEMIC ADMINISTRATION IN SCHOOLS UNDER THE OFFICE OF RATCHABURI PRIMARY EDUCATIONAL SERVICE AREA 1
DEVELOPMENT OF LEARNING ACHIEVEMENT AND CREATIVE PROBLEM SOLVING ABILITY OF FIFTH GRADE STUDENTS USING SCIENTIFIC LEARNING MANAGEMENT BASED ON STEM EDUCATION
DEVELOPMENT OF PROBLEM SOLVING ABILITY USING PSYCHOMOTOR SKILLS LEARNING MANAGEMENT WITH PROBLEM SOLVING PROCESS AND JIGSAW TECHNIQUE IN CULINARY ARTS FOR ELEVENTH-GRADE STUDENTS
OPERATING CONDITION OF INFORMATION TECHNOLOGY FOR ENTERING ASEAN COMMUNITY OF SCHOOLS UNDER THE OFFICE OF NAKHON PATHOM SECONDARY EDUCATIONAL SERVICE AREA 9