Sentiment Analysis of Arabic Tweets Regarding Distance Learning in Saudi Arabia during the COVID-19 Pandemic. - Malak Saleh Aljabri; Sara Mhd. Bachar Chrouf; Norah A. Alzahrani; Leena Alghamdi; Reem Alfehaid; Reem Alqarawi; Jawaher Alhuthayfi; Nouf Alduhailan (Sensors, 2021)