Creswell, W. John. Research Design: Qualitative, Quantitative, and Mixed Methods Approaches / - 6 ed. International Student Edition. - Califonia, Sage, 2023. - xxvii, 283 p. ; ill. , 19 x 23 cm , Includes bibliographical references and index. Research Design - International Student Edition. ISBN: 9781071870631 386,969 UGX Dewey Class. No.: 300.721 / CRE