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Tranking online ad compaigns : a primer
Wilson, Ralph F.; Pettijohn, James B. - In: Journal of direct, data and digital marketing practice … 12 (2010/11) 1, pp. 69-82
Persistent link: https://www.econbiz.de/10008651757
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Using keyword research software to assist in the search for high-demand, low-supply online niches: an overview
Wilson, Ralph F.; Pettijohn, James B. - In: Journal of internet commerce 6 (2007) 1, pp. 101-117
Persistent link: https://www.econbiz.de/10003492689
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Search engine optimisation: a primer on linkage strategies
Wilson, Ralph F.; Pettijohn, James B. - In: Journal of direct, data and digital marketing practice … 8 (2006/07) 3, pp. 210-225
Persistent link: https://www.econbiz.de/10003433460
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Search marketing yesterday, today, and tomorrow : promoting the conversation
Grehan, Mike; Pettijohn, James B. - In: Journal of direct, data and digital marketing practice … 11 (2009/10) 2, pp. 100-113
Persistent link: https://www.econbiz.de/10003977402