Introduction In this assignment, it will firstly analyse the difference between various data sources and then it will evaluate both pros and cons in each source. Finally ,I will summarize which source I prefer and which is suitable for a available type of information. I have chosen my topic which I will enable use a wide quantity of information sources.Therefore,I will show the topic as I am posing for dissertation purposes,it is as follow; “The impact of the Internet on customer relationship marketing strategy in banking sector in the UK” I have chosen this topic about the impact of correlation between the Internet and customer in banking industry because there is plenty of wide information in different sources in order to compare advantages and disadvantages.However,I have chosen topic that specific about Customer Relationship between Bank sector and Internet and also looking for the impact of the Internet influence to customer relationship. Moreover,I have specified more narrow about the scope of my research just in the UK to understand clearly.Therefore,each data source which I have used should be very update and focus just only on the UK. Therefore ,I have aimed advantage from the quality of data sources ,namely Business Source Premier/Ebdco(BSP),Nexis UK,Google Scholar and Guardian newspaper to research my topic. Online Databases First step for this resource is to access the Sheffield Hallam Shuspace website,I then log on in order to search information in ‘library gateway’.There are a plenty of reliable information related to my topic.In there I am going to use ‘Subject guides’ function of the gateway (Business and Management),then I chose sub-tab on the top (Journals and newspapers).This provides me a number of important journals and newspapers for business and management and also cover knowledge of this topic .Consequently, I prefer to search information from Business Source Premier (Ebsco) and Nexis. Business Source Premier (Ebsco) Ebsco,there are various full text business database covering business sources premier and especially it is likely included academic journal relevant to my topic. This information source has a number of key strength when I search in. First of all, there are a variety of searching ways such as Basic Search , Advanced Search , Visual Search and Search History .I have chosen Advanced Search because this way is very easy to search and also find particular information. In addition, there are primarily three boxes to search in which I can specific my detail of searching more deep, plus you can add more as u wish.This source will show the result of searching according to peer refined and publication date and source type. Furthermore, I have focused on the date of publication from 2007 to 2013 because academic research should bring up to date. Around this period time there are a number of some interesting academic journals related to banking industry in the UK.Moreover,I still have to find more specific detail about the impact of the Internet on Customer relationship. I try to reach some useful information from this site by identifying some key words or phrases from my topic regarding to: Internet banking Customer United Kingdom As a result of this searching, they’re provided a large of journals, but all of them should be involve to my topic. Most interesting, there is one article, which is most likely to connect my topic, both content and a suitable period time as “Antecedents and Consequences of service quality in consumer evaluation of self service Internet technology ”, and it was published in 2008.In addition, it represents an analysis of influence from using the internet on perceived British consumer banking by questionnaire through email. Also,it contains several tables that demonstated the difference measurement instrument in evaluation the impact of the internet in banking sector that lead greatly reader