Ensign, F. C. (1921). Compulsory School Attendance and child labor: A study of the historical development of regulations compelling attendance and limiting the labor of children in a selected group of states. Columbia Univ.
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Cita Chicago (17th ed.)
Ensign, Forest Chester. Compulsory School Attendance and Child Labor: A Study of the Historical Development of Regulations Compelling Attendance and Limiting the Labor of Children in a Selected Group of States. New York: Columbia Univ, 1921.
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Cita MLA (9th ed.)
Ensign, Forest Chester. Compulsory School Attendance and Child Labor: A Study of the Historical Development of Regulations Compelling Attendance and Limiting the Labor of Children in a Selected Group of States. Columbia Univ, 1921.
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