Abstract: The existence of Covid-19 Pandemic become a challenge for teachers, where the teachers were forced to apply Online learning. Various kinds of online learning media were tried and used. One of Vocational High School (SMK) in Sidoarjo also applies online learning using WhatsApp on the subject of Digital System class X during the Covid-19 Pandemic. This study aims to look at the Effectiveness of Whatsapp in increasing student interest in Digital System Subjects during the Covid-19 Pandemic. This research uses descriptive qualitative research with ...
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Topics: 
Mathematics education
Medical education
Multimedia