B. W. Chala

Khat use and its impact on academic performance: The case of Jimma University, Ethiopia

Jemal Abafita, Badassa Wolteji Chala, Kasahun Eba, 2015 .

Does Maternal Social Capital Have a Health Payoff? Evidence from Jimma Zone, Ethiopia

Jemal Abafita, Z. Birhanu, Leta Sera, 2020 .

Do Regional Trade Agreements Increase Bilateral Greenfield Investment

Hyun‐Hoon Lee, Badassa Wolteji Chala, B. W. Chala, 2015 .