30 ืืืืื ืืกืืกืืืช ืฉืืืคืืขืืช ืืฉืืืืช ืืงืืืช ืฉื ืืคืกืืืืืืจื. ืืฉืื ืืจืืฉืื ืืื ืืืช ืืืฆืจ ืืืืื ืืฆืื.
This is premium study material. Sign in or create a free account to get started.