ISBN - International Standard Book Number: a number to trace a specific book, or ebook by.
Example: 9789812303974 (print) (does not exist online) "East Asia : between regionalism and globalism"
ISSN - International Standard Serial Number: a number to trace a specific journal by.
Example: 0143-6597 (print) 1360-2241 (online) "Third World Quarterly"
DOI - Digtal Object Identifier: a number to trace a specific ebook, chapter or article by. (This number will not change if, for instance, a book changes publisher.
Example: https://doi.org/10.1080/03066150.2016.1236025 Loubere, N: "Indebted to Development: Microcredit as (De)marginalisation in Rural China"
Truncating - expand your search to several related words:
Add an asterisk (*) after, before or in the middle of your search term, which expands your search to include all possible word combinations.
Boolean search operators - expand or limit the number of search results:
Depending on whether you want to expand or limit you search results, you can add AND, OR or NOT between your search terms.