Ngati mukuchita bizinesi yomwe imadalira kwambiri kupanga zinthu zambiri zamalonda zosindikizidwa, kuchokera ku makhadi a bizinesi, timabuku, ndi mapepala osindikizira mpaka ku zizindikiro zovuta kwambiri ndi zowonetsera zamalonda, mwinamwake mumadziwa kale za kudula kwa equation yosindikiza. Mwachitsanzo, inu...
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