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Baert, Daniel, Bonaventure Bangurambona, and Hugo Kuyken. “ruikbaarheid an lternatieve nergiesystemen er ervanging an out n olen in frika”. Afrika Focus 3, no. 1-2 (March 28, 1987). ccessed November 15, 2024. http://206.189.126.38:8087/index.php/AF/article/view/6572.