TY - BOOK AU - Mayo, Judith A TI - Teacher observation in Mexico PY - 1990///?] CY - Washington, D.C. PB - Information Center on Instructional Technology, Academy for Educational Development KW - Maestros de secundaria - KW - México - KW - Evaluación KW - Educación secundaria - KW - Medios audiovisuales - N1 - Folletería permanente ER -