ืืืืื ืืืคืฆื ืืืช, ืจืืืืื, ืืชืืืืจ ืกืืืืืช ืืืืื. ืกื ืคืจืืืืื ืขื ืฉืืืืฉ ืืืืืืื.
This is premium study material. Sign in or create a free account to get started.