What is case study research design?

T??????????????????????his is the methodology section of a dissertation. Here are the pieces that I need to be addressed:Qualitative Research Design: 5 main research designs (narrative, phenomenology, grounded theory, ethnography and case study (1 page for all) with multiple citationsQualitative case study research design (1 page): What is case study research design? with multiple citations; Difference between single case and multiple case study? with multiple citationsSampling and Pa??????????????????????rticipants ½ page: Basic information with multiple citationsData Collection: six sources of evidence (documents,archival records, interviews, directo observations,, participant observations, and physical artifacts with multiple citations (1/2-1 page)Interview Protocol: basic information with citations ½ pageData Analysis basic information with citations (total 1 page): Coding: basic information with citations; Thematic Analysis basic information with citati??????????????????????ons