TY - BOOK AU - Herman,Jerry John TI - Developing an effective elementary science curriculum SN - 0132042304 AV - LB1585 .H47 U1 - 372.3/5 PY - 1969///] CY - West Nyack, N.Y. PB - Parker Pub. Co. KW - Science KW - Study and teaching (Elementary) KW - Local ER -