@techreport{jean2015comparative,
  title = {Comparative Levels of Water and Air Pollutants in Kigali City and Kitabi and Benefits of Cleaner Energy-Biodiesel in Rwanda}
  author = {Jean Baptiste Nduwayezu},
  url = {http://article.sapub.org/10.5923.j.ije.20150504.03.html},
  year = {2015}
}