“…For any CoP, the elements of the epistemic frame theory, "the skills, knowledge, values, identity, and epistemology," are linked together and shared by CoP members in their professional context [29]. ENA was used to analyze networks of different CoP in 16 articles (21.1%), for example, urban planning [12], [20], [63], [70], [79], [84], [90], teaching [50], [62], [100], engineering [21], [61] and journalism [64]. [105] define collaborative learning as a "set of teaching and learning strategies promoting student collaboration in small groups in order to optimize their own and each other's learning".…”