“…During the subsequent phase, a review that is comparatively composite in nature can be generated through the integration of structured and bibliometric review principles (Dabić et al, 2020). A few unconventional examples of grey literature reviews combined with scientific literature reviews are blockchain in the insurance sector (Kar & Navin, 2021), the sharing economy in sustainability (Rana et al, 2023), online shopping (Shroff et al, 2023) and the diffusion of blockchain technology (Grover et al, 2019). Similarly, when a phenomenon is yet to be published widely, hybrid reviews combining grey literature with academic articles, gives a better understanding of the discipline (e.g., Kar et al, 2023).…”