00493nam a2200169Ia 4500001000700000003000500007005001700012008004100029010001500070050002100085082002000106100003000126245006700156260003300223300002900256650003800285152936BIBL20160527200047.0710201s1968    nyua          00000 eng    a 68026567 0 aLB1031b.P4 1968  a373.1394bP494i10aPetrequin, Gaynor.2Local10aIndividualizing learning through modular-flexible programming.0 aNew YorkbMcGraw-Hillc1968.  axv, 180 p.bill.c21 cm. 0aIndividualized instruction2Local