TY - BOOK T1 - Spaceship earth life science ; teacher's manual T2 - Spaceship earth A1 - Stone, A. Harris A2 - Sherman, Lloyd R. LA - English PP - Boston PB - Houghton Mifflin YR - 1975 ED - Teacher's ed. UL - https://ds.mainlib.upd.edu.ph/Record/UP-99796217606735370 OP - 455 CN - Q 181 S7 S86 1975 T.G. KW - Science : Study and teaching (Elementary). KW - Biology : Study and teaching (Elementary). KW - Life science : Study and teaching (Elementary). ER -