00434nam a2200121Ia 4500008004100000040001700041082002300058110007100081245006100152260002400213300001400237650006100251190327s9999||||xx |||||||||||||| ||und||  aNITILcNITIL  221sta371.23bU58O  aUnited Nations Educational Scientifc Cultural Organization (Paris) 4aThe Organization of the school yearba comparative study  aParisbUNESCOc1959  a113p+tab.  aSchool management and organization; Educational planning