ISBN-13: 9786204426327 / Angielski / Miękka / 72 str.
This work is a source of motivation to continue with research, which is one of my passions, because it was an opportunity for me to work with people I admire in terms of research. Putting their knowledge to work on this document is a success in advance for me. Thank you dear teachersI would also like to thank all those who helped me in the elaboration of this work.