Correlations between Online Learning Media Types, First Access Time, Access Frequency, and Students’ Achievement in a Flipped Classroom Implementation. J. Sistem Inf. (J. Inf. Sys.) [Internet]. 2021 Apr. 29 [cited 2024 Jul. 4];17(1):44-57. Available from: https://jsi-test.pusilkom.com/index.php/jsi/article/view/1008