(Khmer) Speech Samdech Techo Hun Sen, visits workers at the Phnom Penh Special Economic Zone 23 August, 2017 174 23 August 2017 – Samdech Techo Hun Sen visits workers at the Phnom Penh Special Economic Zone 23 August 2017 – Samdech Techo Hun Sen visits workers at the Phnom Penh Special Economic Zone (PPSEZ).