Who propounded conservative, moderate and liberal theories of reference service ?
AWilliam A Katz
BR. Emery
CS.R. Ranganathan
DJames I. Wyer
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With reference to the Information and Communication Technology (ICT), consider the following statements.Which of the statement(s) given is/are correct ?
- The data related to various kinds of information with more precision and accuracy has been provided by ICT.
- Through ICT, it is possible to identify the critical areas for competitive advantages in corporate sectors.
- ICT products affect the process of environmental footprint of other products and activities across the economy.
- The manufacturing system facilitated by ICT is energy intensive, standardized as well as departmentalized.
Carbon paper was invented by: