Fleihan, N., & Eid, G. M. (1998). Building up mathematics: Teacher's guide : basic education grade one. National Center for Educational Research and Development.
Παραπομπή σε μορφή Chicago (17η εκδ.)Fleihan, Najwa, και George M. Eid. Building Up Mathematics: Teacher's Guide : Basic Education Grade One. Sin-El-Fil: National Center for Educational Research and Development, 1998.
Παραπομπή σε μορφή MLA (9th εκδ.)Fleihan, Najwa, και George M. Eid. Building Up Mathematics: Teacher's Guide : Basic Education Grade One. National Center for Educational Research and Development, 1998.
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