Astuti, P., F. Febrian, M. Fera, R. Antika, Z. AnisaFitry, A. Setiawan, C. Wulandari, R. Mardiah, M. A. Gani, and Y. Yodiatmana. “Appropriate Technology E-Book on Mobile Learning for Mathematics Teachers”. Jurnal Gantang, vol. 7, no. 1, Aug. 2022, pp. 107-13, doi:10.31629/jg.v7i1.3791.