المؤلفون: Keteku, Agbesi Kwadzo, Amegbor, Isaac Kodzo, Frimpong, Felix, Dormatey, Richard, Blege, Precious Kwaku, Yeboah, Stephen, Agyeman, Kennedy, Brempong, Mavis Badu, Poku, Samuel Aduse, Amankwaa-Yeboah, Patricia, Ghanney, Philip, Addy, Sylvester, Danquah, Eric Owusu, Bosompem, Franklin, Gyimah, Afua Gyamaa

الاتاحة: http://dx.doi.org/10.2139/ssrn.4578379