@book { QualityofSecondaryEducationACaseStudyofTripura,
    title = "Quality of Secondary Education. A Case Study of Tripura",
    author = "Sahidul {Ahmed}",
    year = "2017",
    publisher = "Anchor Academic Publishing",
    address = "Hamburg, Germany",
    url = "https://m.anchor-publishing.com/document/358631"
}