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1. Conjectures and refutations :   Publication: London : Routledge & Kegan Paul, 1972 . xiii, 431 p. - Date:1972 Availability: Copies available: Tain Campus Education & Humanities [BD241 P66] (1), Actions: Add to cart
2. The social context of educational planning /   Publication: Paris : Unesco. International Institute for Educational Planning , 1967 . [35] p.- Date:1967 Availability: Copies available: Turkeyen Campus Education & Humanities [LB 2805 A534] (2), Actions: Add to cart