Liu, B. A. (1966). Estimating future school enrolment in developing countries: A manual of methodology. Unesco.
Citace podle Chicago (17th ed.)Liu, Bangnee Alfred. Estimating Future School Enrolment in Developing Countries: A Manual of Methodology. [Paris]: Unesco, 1966.
Citace podle MLA (8th ed.)Liu, Bangnee Alfred. Estimating Future School Enrolment in Developing Countries: A Manual of Methodology. Unesco, 1966.
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