Sổ Ghi Nợ SONO
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About App
SONO Debit Book - Replace paper books with electronic ones. Completely free. Safe and secure for stores, small companies managing their customers' debts. The store owner uses the app to debit (receive money) and credit (lend money) to his loyal customers.
The #1 App in Vietnam to replace paper debt books and turn credit transactions into electronic debt books with smart features
Developer info