A. S. AMBOTANG and C. . ANDIN, “SUMBANGAN PENGETAHUAN KANDUNGAN, DAYA KREATIVITI DAN INOVATIF TERHADAP EFIKASI KENDIRI GURU DALAM PENGAJARAN EKONOMI DI SABAH: THE CONTRIBUTION OF CONTENT KNOWLEDGE, CREATIVITY AND INNOVATION TOWARDS TEACHER’S SELF-EFFICACY IN ECONOMICS TEACHING IN SABAH”, eJK, vol. 26, no. 1, p. 155, Jun. 2020.