00298nam a22000857a 4500008004100000020001800041100002100059245007000080260006200150240910b        |||||||| |||| 00| 0 eng d  a0-582-49712-4  aElizabeth Perrot  aEffective Teaching bA Practical Guide To Improving Your Teaching  bLongman Group c1982eEnglishhUKi392725796lLB 1025 PER