Suryanto, E., N. Oktarina, M. Margunani, and R. Rusdarti. “Analysis Content Validity of Electronic Records for Learning to Improve the Skills of the Archives Practice Course in Higher Education: Aiken Validity and Lawshe”. Educational Management, Vol. 11, no. 2, Aug. 2022, pp. 220-8, https://journal.unnes.ac.id/sju/eduman/article/view/65356.