TY - BOOK AU - Govier, Heather AU - Neave, Malcom TI - Logo challenge SN - '201184001 U1 - 001.642 4 GovL PY - 1983/// CY - Londres PB - Adisson-Wesley Publishers. KW - DiseƱo computarizado KW - ProgramaciĆ³n estructurada KW - Aprendizaje N1 - Exploring logo challenge.-- Turning the pen.--Shorter programs.-- Storing procedures.-- Saving your work.-- Editing.-- Introducing variables.-- More variables; 1983 ER -