Helder Joaquim Catombela และ Martin Goehrlich. (2013) Personal network impact on the recruitment and selection process in small sized organization of angola and operating overseas. Stamford International University:ม.ป.ท.Helder Joaquim Catombela และ Martin Goehrlich. 2013. Personal network impact on the recruitment and selection process in small sized organization of angola and operating overseas. ม.ป.ท.:Stamford International University;Helder Joaquim Catombela และ Martin Goehrlich. Personal network impact on the recruitment and selection process in small sized organization of angola and operating overseas. ม.ป.ท.:Stamford International University, 2013. Print.