@book { InvestigatingthechallengesofpromotingdarktourisminRwanda,
    title = "Investigating the challenges of promoting dark tourism in Rwanda",
    author = "Ntunda {Joachim}",
    year = "2013",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783656546313",
    url = "https://www.hausarbeiten.de/document/265137"
}