By Ruth Chayinda-The Central Bank has approved 6.4 billion Kwacha to be disbursed to commercial Banks and non-financial institutions under the 10 Kwacha medium term refinancing facility. Bankers Association of Zambia -BAZ- Public Relations Manager Mirriam ZImba says five billion kwacha represents 10 approvals from commercial banks while 12 approvals amounting to 1.4 billion kwacha…