Deprecated: strip_tags(): Passing null to parameter #1 ($string) of type string is deprecated in /var/www/html/ejournal.usm.my/plugins/generic/citationStyleLanguage/CitationStyleLanguagePlugin.php on line 449

[1]

“Contributors”, km, vol. 37, no. 1, pp. 161–163, Apr. 2019, doi: 10.21315/.