A. . Kumpiro, J. . Sarayuthpitak, S. . Rodpipat, and J. . . Bunluesak, “EFFECTS OF MOTORCYCLE DRIVING SAFETY ENHANCEMENT PROGRAM USING SELF – EFFICACY AND SELF – CARE THEORIES OF LOWER SECONDARY SCHOOL STUDENTS”, J.TNSU, vol. 14, no. 1, pp. 291–302, Dec. 2021.