Pasaribu, Y. M., and F. Dahlan. “Linguistic Complexity and Lexical Cohesion of Indonesian-Language State Textbooks Across Two School Transitions: A Fixed-Corpus Computational Audit”. Enigma in Education, Vol. 4, no. 2, Nov. 2026, pp. 103-22, doi:10.61996/edu.v4i2.138.