ISBN-13: 9783658228675 / Angielski / Miękka / 2018 / 448 str.
ISBN-13: 9783658228675 / Angielski / Miękka / 2018 / 448 str.
He builds a sound basis for the identification of a research gap and the derivation of research questions. The results generate sufficient evidence to answer these questions and therefore to close the identified research gap.