L. A. Tangdilintin, R. A. Aswar, A. I. Mahananta, and M. A. Naufal, “Analysis Of The Mathematics Textbook For 10th Grade High School Under The Merdeka Curriculum (Revised Edition) On The Topic Of Trigonometry”, JKPM, vol. 5, no. 2, pp. 296–310, May 2026.