TY - BOOK T1 - Motivation in the classroom A1 - Spaulding, Cheryl L LA - English PP - New York etc. PB - McGraw-Hill YR - 1992 UL - https://colectivo.uloyola.es/Record/L53808 OP - 247 SN - 0070599270 KW - Educación KW - Personal : Motivación ER -