Siregar, Budi Halomoan, et al. “Innovation in The Development of an Electronic Practicum Book of IT-Based Learning Media Oriented to The Team-Based Project”. Mosharafa: Jurnal Pendidikan Matematika, vol. 12, no. 2, Apr. 2023, pp. 243-54, doi:10.31980/mosharafa.v12i2.780.