NATIONAL LIBRARY AND DOCUMENTATION SERVICES BOARD

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ISBN  ISSN  ISMN


NLDSB is the National Agency in Sri Lanka for ISBN, ISSN and ISMN International Standard Numbering Systems.

ISBN
International Standard Book Numbering

ISSN
International Standard Serial Numbering

ISMN
International Standard Music Numbering


ISBN ISSN ISMN Statistics

Year ISBN ISSN ISMN
2013 8993 281 27
2014 8937 250 35
2015 9155 285 24
2016 10602 321 12
2017 11161 241 37
2018 10051 178 58
2019 11627 201 83
2020 9239 186 14
2021 8813 227 18
2022 6705 229 5


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