00578ntaaa2200217 4500 01 20251027202621.0 0714s1973 ag 01 AR-BaBN spa AR-BaBN aacr RIC 370.1900 P75p Poignant, R 25461 Planeamiento educacional, económico y social 1 ed. Buenos Aires : Paidos, 1978 270 p educación-planeamiento 25462 Harbison, F 25463 Phillips, H.M. 25464 Callaway, A 25465 BK 21307 21307 0 0 0 0 BP BP 2025-10-27 35013 0 370.1900 P75p 35013 2025-10-27 20:26:21 2025-10-27 BK