To learn more about which colours are best for coffee bags sold in supermarkets, I spoke with Tran Hoa Binh, the CEO of Clean Origin Coffee (C.O.C) in Hanoi, Vietnam.
To learn more about which colours are best for coffee bags sold in supermarkets, I spoke with Tran Hoa Binh, the CEO of Clean Origin Coffee (C.O.C) in Hanoi, Vietnam.