@book { TeachingEnglisheffectivelywithspecialfocusonlearnersinterests,
    title = "Teaching English effectively: with special focus on learners’ interests",
    author = "Katharina {Okon}",
    year = "2014",
    publisher = "Anchor Academic Publishing",
    address = "Hamburg, Germany",
    url = "https://m.anchor-publishing.com/document/231972"
}