@book { AResourceBookforImprovingPrincipalsLearningCenteredLeadership,
    title = "A Resource Book for Improving Principals’ Learning-Centered Leadership",
    author = "Jianping {Shen} and Van E. {Cooley}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "New York, United States of America",
    url = "https://www.peterlang.com/document/1109369"
}