Science · Reference Services
संदर्भ सेवा सिद्धांतों को 'रूढ़िवादी' (Conservative), 'मध्यम' (Moderate) और 'उदार' (Liberal) तीन दर्शनों में किसने वर्गीकृत किया था?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1एस.एस. ग्रीन
- 2जेम्स वायेर✓
- 3ए.जी. रूघ
- 4सैमुअल रोथस्टीन
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जेम्स वायेर
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