C. Dulamit and D. N. A. K. Dzulkifli, “KESAHAN KONSTRUK DAN KEBOLEHPERCAYAAN INSTRUMEN SIKAP, PENGETAHUAN DAN KEMAHIRAN GURU DALAM PENGURUSAN DISIPLIN NORMA BAHARU SEKOLAH MENENGAH PEDALAMAN SABAH: CONSTRUCT VALIDITY AND RELIABILITY OF TEACHERS’ ATTITUDE, KNOWLEDGE AND SKILLS INSTRUMENT IN NEW-NORM DISCIPLINE MANAGEMENT IN RURAL SECONDARY SCHOOLS IN SABAH”, IJEPC, vol. 11, no. 63, pp. 1152–1164, Jun. 2026.