A. C. K. Azis, S. K. Lubis, G. Kartono, and M. A. J. Daulay, “Digitalisation of Teaching Materials for Toba Batak Ethnic Decorative Variety with Procreate Media Based on p-Books and e-Books”, j. kependidikan. has. penelit. kaji. kepustakaan. bid. pendidik. pengajaran. n.a., vol. 9, no. 3, pp. 782–793, Sep. 2023.