1. Wikipedia, "Power-flow study," April 2015. [Online]. Available: http://en.wikipedia.org/wiki/Power-flow_study. [Accessed April 2015].
2. J. Kirtley, "Introduction To Load Flow," 2011. [Online]. Available: http://ocw.mit.edu/courses/electrical-engineering-and-computer-science/6-061-introduction-to-electric-power-systems-spring-2011/readings/MIT6_061S11_ch5.pdf. [Accessed April 2015].
3. M. O. O. Funso K. ARIYO, "Investigation of Nigerian 330 kV Electrical Network with Distributed Generation Penetration – Part I: Basic Analyses," Electrical and Electronic Engineering 2013, vol. 3, no. 2, pp. 49-71, 2013.
4. Power Research & Development Consultants Pvt. Ltd., "Power System Analysis & Simulation - MiPower™," Power Research & Development Consultants Pvt. Ltd., [Online]. Available: http://www.prdcinfotech.com/?page_id=572. [Accessed April 2015].