Söderbom, M., Teal, F., & Wambugu, A. (2005). Unobserved heterogeneity and the relation between earnings and firm size: Evidence from two developing countries. Elsevier.

Söderbom, M., F. Teal, and A. Wambugu. Unobserved Heterogeneity and the Relation Between Earnings and Firm Size: Evidence from Two Developing Countries. Elsevier, 2005.

Söderbom, M., et al. Unobserved Heterogeneity and the Relation Between Earnings and Firm Size: Evidence from Two Developing Countries. Elsevier, 2005.