The advantages of bulletin board are all, except?

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E6 Nursing Education & Educational TechnologySuresh k Sharma (pp 21-557 of 572) pp. 308-310, 307-309
E6 Essentials of Educational Technology Nursing EducationL Gopichandran C Kanniammal (pp 39-344 of 355) p. 187-189
Practise the full IGNOU PB Bsc Nsg Entrance-2017
Attempt every question from this paper in a timed mock, then review the full solution for each one.