R. Musabikha M, M. Khair Abdul Muqsith, and M. Maulana, “The Influence of The TASC (Thingking Actively In A Social Context) Model Using Whatsapp Social Media on Online Learning Materials for Classification of Land Capability in the Emergency Period of the Covid 19 Pandemic”, ent jpips, vol. 4, no. 1, p. 25-36, Jun. 2022.