AOP President Dr. Thachapol Kanchanakul said “The PVD Contest has been held for the 8th year now, graced with the presences of honorable professors from Chulalongkorn University and Thammasat
SEC and the AOP are accepting application for the 7th PVD Contest 2018 with the royal plaque award from Her Royal Highness Princess Maha Chakri Sirindhorn. The objective of the contest is to
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