00578nam a2200181Ia 450000500170000000800460001703700290006304000200009204100130011208400230012510000210014824500250016926000460019430000100024094200210025099900210027195201040029220250508161357.0008  250505s9999    xx            000 0 eng d  aBooks to be hide in OPAC  aFEDLbengcFEDL  aeng2eng  a021.2, RAL/OqFEDL  aRalph R G944070 0aLibrary in education  aLondon, UKbTurnstile Press Limitedc1949  a144p.  cHBh021.2, RAL/O  c1369758d1369758  00104070aFEDLbFEDLd2025-05-08l0o021.2, RAL/OpEL0057105r2025-05-08 16:13:57w2025-05-08yHB