Explore the various variants of qualitative research as defined by Robert K$.$ Yin. Utilize the Web of Science $($WoS$)$ or Scopus database to find $1-2$ examples of research articles for each of the $12$ qualitative research variants. While it is acceptable if there is no example of computing research for some variants, ensure that at least one example for each variant is related to computing if possible. the study within year $2020-2024$ in ICT or Computing or Information System related field