Analysis of information sources in references of the Wikipedia article "Multivariate testing in marketing" in English language version.
{{cite web}}: CS1 maint: archived copy as title (link) "Web Analytics Demystified", "Web Analytics and Data Collection: The Page Tag", By Judah Phillips{{cite web}}: CS1 maint: archived copy as title (link) "Web Analytics Demystified", "Web Analytics and Data Collection: The Page Tag", By Judah Phillips