| Microbiome, Immunity, Digestive Health and Nutrition: Epidemiology, Pathophysiology, Prevention and Treatment 400$
| Technological Pathways for Africa's Net-Zero Economy: Technology Solutions to Unlock Africa’s Sustainable Future 400$
| The Economic and Financial Impacts of the COVID-19 Crisis Around the World: Expect the Unexpected 400$
| Git & GitHub Visual Guide: The Hands-On Manual for Complete Beginners to Master Version Control and Remote Coding Collaboration 400$
