Science · Bibliographic Services
निम्नलिखित में से कौन-सी एक ग्रंथ सूची सेवा (bibliographic service) है जो विभिन्न प्रकाशकों द्वारा प्रकाशित डिजिटल पूर्ण-पाठ पत्रिकाओं (full-text periodicals) तक ऑनलाइन पहुंच प्रदान करती है?
- 1ब्रॉडबैंड एक्सेस
- 2एग्रीगेटर (Aggregator)✓
- 3ऑनलाइन सर्विस प्रोवाइडर
- 4ओपन एक्सेस सर्विस
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एग्रीगेटर (Aggregator)
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