摘要：It is very happy for us to present this edition, Volume 4 Number 2, December 2020. Amid the concerns of the COVID-19 pandemic, which influences human life around the globe, we are honored to select and publish the best submitted-papers in the field of community engagement (5 papers from Indonesia, 2 Papers from Nigeria, 1 Paper from India, 1 Paper from Australia, 1 Paper from Botswana, and 1 Paper from South Africa).
