A. Paphaphasid, “INNOVATION TO DEVELOP THE ABILITY TO DO CLASSROOM RESEARCH FOR THE TEACHER AT WAT PHRASRI MAHADHAT SECONDARY DEMONSTRATION SCHOOL, PHRANAKHON RAJABHAT UNIVERSITY. A CASE STUDY: TO CREATE A SERIES OF SELF-LEARNING AND CONSULTATION”, PNRU JHSS, vol. 15, no. 1, pp. 263–277, Dec. 2019.