30 ืืืืื ืืืืืืืื ืืชืงืืืื ืืืขืงื ืืชืงืฉืืจืช ืืงืฆืืขืืช ืืืจื ืจืืืื ืขืืืื ืืื ืืืืช โ ืืืง 5: ืืืืืื, ืชืืื, ืืขืงื, ืื ืืืืจืงืื ื ืืงืฆืืขื. ืืืื ืชืจืืื ืืขืืจืืช ืืืฉืคื ืืืืื ืืื ืืืื.
This is premium study material. Sign in or create a free account to get started.