“…However, it is unfortunate to note that Sotelo incorporated iceberg costs into his model even though he was aware of the avoidance of specifying details of the transport sector (Sotelo, 2020(Sotelo, , p. 2703). However, it is worth noting that different studies use different costs (Meena et al, 2023;Dinani et al, 2021;Kolwate et al, 2021).…”