Science · Reference Services
संदर्भ सेवा के अनुदार (conservative), मध्यम (moderate) और उदार (liberal) सिद्धांतों का प्रतिपादन किसके द्वारा किया गया था?
- 1कृष्ण कुमार
- 2डब्ल्यू.ए. काट्ज़
- 3जेम्स आई. वायर✓
- 4एस.आर. रंगनाथन
सही उत्तर देखें
जेम्स आई. वायर
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