කොබ්බැකඩුව, එස්.එස්.ඩබ්.එම්.; මානෙල්, ඩී. පී. කේ.
(ශ්රී ජයවර්ධනපුර විශ්වවිද්යාලය, 2024)
The shopkeeper is the main operator of the market in an economic center in Sri Lanka.
In order to maintain the functioning of the market well, it was identified as a problem that
needs to be focused on which factors ...