Msuya, R A, et al. “ANALYSIS OF POWER EFFICIENCY OF A DIRECT-DRIVEN LOCALLY FABRICATED PERMANENT MAGNET AC GENERATOR FOR SMALL-SCALE WIND POWER APPLICATIONS IN TANZANIA”. Tanzania Journal of Engineering and Technology, vol. 34, no. 2, Dec. 2017, https://journals.udsm.ac.tz/index.php/tjet/article/view/1113.