00446nam a22001457a 450000500170000000800410001702000180005810000210007624500240009725000190012126000580014050000380019894200490023699900150028520261105131204.0261105b        |||||||| |||| 00| 0 eng d  a81-7000-466-7  aRangananthan SR   aReference services   bFirst edition   bEss Ess publication c1892dHard eEnglish l2711 Ran  aObservation of reference service   alcceHusna Muhammad sani f5th November 2026  c1055d1055