↑ Kittiphun Khongsawatkiat (2002) “Isan Studies: “One Tambon, One Product" A Government Policy Recovers Farmers' Debts and Fragile Rural Sector in Northeastern of Thailand" Presented in the 8 th Conference on Thai Studies at Nakhon Phanom River View Hotel, Nakhon Phanom Province, Organized by Ramkhamheang University (9 – 12 January 2002)
↑ Kittiphun Khongsawatkiat (2002) “Isan Studies: “One Tambon, One Product" A Government Policy Recovers Farmers' Debts and Fragile Rural Sector in Northeastern of Thailand (Focused on Nakorn Phanom Province)" Kasem Bundit Journal Vol. 3 No. 2 (July – December 2002)
