Lutfiana, R. F., Nurul Zuriah, and D. K. N. Saputri. “The TPACK Approach Improves Student Collaboration Skills in 21st-Century Learning”. Jurnal Pedagogi Dan Pembelajaran, vol. 6, no. 2, Apr. 2023, pp. 274-82, doi:10.23887/jp2.v6i2.52845.