Boniface, Bonaventure; Gyau, Amos and Stringer, Randy (2009): Relationship quality as the predictor of long term relationship in the Malaysian dairy industry. Published in: Proceedings The 4th International Conference of the Asian Academy of Applied Business (AAAB 2009) (17. December 2009): pp. 766-776.
Casas, Isabel and Gao, Jiti (2006): Econometric estimation in long-range dependent volatility models: Theory and practice. Published in: Journal of Econometrics , Vol. 147, No. 1 (November 2008): pp. 72-83.