A student possible needs to conduct some essays to his college. Even if the submission of an essay is required for the reception of a degree, it a quite easy task. Although, in case that somebody wishes to go on studying in post-gradution level, the research and writing essays is a self-evident duty and somebody is obliged to complete his essay at a certain time for the reception of the diploma of specialism as well as, which needs research and to have some certain standards in order to be able to be characterised as scientific. This can be applied to the research in a doctoral level with much more accuracy. Although, how can anyone, who has a little or no experience, to make a research either it is an essay for the diploma or a doctoral essay, which should have the characteristics of the scientific cohesion and research?