Kementerian, P. d. K. (2013). Free basic education strategy development volume 5: Survey of parental contributions in basic education. Kementerian Pendidikan dan Kebudayaan.
Παραπομπή σε μορφή Chicago (17η εκδ.)Kementerian, Pendidikan dan Kebudayaan. Free Basic Education Strategy Development Volume 5: Survey of Parental Contributions in Basic Education. Kementerian Pendidikan dan Kebudayaan, 2013.
Παραπομπή σε μορφή MLA (8th εκδ.)Kementerian, Pendidikan dan Kebudayaan. Free Basic Education Strategy Development Volume 5: Survey of Parental Contributions in Basic Education. Kementerian Pendidikan dan Kebudayaan, 2013.
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