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Baert D, Bangurambona B, Kuyken H. Bruikbaarheid van alternatieve energiesystemen ter vervanging van hout en kolen in Afrika. AF [nternet]. 1987 Mar. 28 [cited 2024 Nov. 15];3(1-2). vailable from: http://206.189.126.38:8087/index.php/AF/article/view/6572