LEADER 00000nam 2200205 a 4500 001 0643102 003 UkHlHU 007 t 008 001805 2 1974 000 eng 040 UkHlHU 050 4 LB 1031 K2 100 1 Keller, Fred Simmons. 245 14 The Keller Plan handbook :|bessays on a personalized system of instruction. 260 Menls Park :|bW.A. Benjamin,|c1974. 300 99p. 650 0 Individualized instruction. 700 1 Sherman J. Gilmour. 946 020 absent -- ISBN check required
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