@book { TeachersTeachingTeachers,
    title = "Teachers Teaching Teachers",
    author = "Geneal G. {Cantrell} and Gregory L. {Cantrell}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "New York, United States of America",
    url = "https://www.peterlang.com/document/1101990"
}