Science · Reference Services
निम्नलिखित में से किसने संदर्भ सेवा (Reference Service) के तीन अलग-अलग दर्शनों/स्तरों (रूढ़िवादी, मध्यम और उदारवादी) का वर्णन किया है?
- 1जेम्स वायर✓
- 2एस.आर. रंगनाथन
- 3सैम्युल ग्रीन
- 4मार्गरेट हचिन्स
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जेम्स वायर
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