00293nam a2200121Ia 4500008004100000100002500041245005300066260001200119260001100131260000900142300000700151650001300158160226s9999    xx            000 0 und d10aDassanayake,D.G.A.T.  aEffective Learning Teaching Assesment Techniques  aColombo  bIchemc  c2015  a23  aTeaching