Choosing a topic for your business administration field can be tough. First of all, there are so many fields that lie under business administration, marketing, economics, e-commerce, finance, entrepreneurship, consulting, human resources, operation management, information systems, and accounting. Let look some of them. Marketing department plays a crucial role in any company or an organization which is mainly responsible to bring in new businesses, increasing market share, growing the income and gain profitability. In marketing, students have a large area of choice for the dissertation purpose, brand management, advertising, digital marketing, customer analysis, and product management. Either student can do the research by themselves or they can take help from an online source like MBA thesis writing services - Gulf Writer to write their thesis or dissertation. The field of HR helps you manage and retain the workforce within an organization in an organized manner. There are many areas which the students can do research on, like training and development, recruitment system, health and safety in company premises, and managing exits from a company.