cuir.car.chula.ac.th · 2016. 6. 30. · Vietnam invaded Cambodia in 1979 to drive the Khmer Rouge...
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cuir.car.chula.ac.th · 2016. 6. 30. · Vietnam invaded Cambodia in 1979 to drive the Khmer Rouge from power. Then the Vietnamese-backed People's Republic Of Kampuchea (PRK), of