For Vietnamese student, you can read the Nhận diện covid qua tiếng ho.pdf and Covid19_slide.pdf which is written in Vietnamese. For foreign reader, I wrote all the important information in coughvid-19-crnn-attention.ipynband my Git about COVID-19-Cough-Classification-phase-1
The Kaggle notebook: https://www.kaggle.com/bomaich/coughvid-19-crnn-attention