Witthayu phāk phāsā chāokhao : krabūan kānsư̄sān phư̄a kānphatthanā thī sūng = Hill tribe language radio programs : communication process for highland development
Rāingān wičhai chabap sombūn khrōngkān sưksā sakkayaphāp læ ʻōkāt khō̜ng sinkhā songʻō̜k Thai nai talāt klum ʻAnuphūmiphāk Mǣnām Khōng = The study about potential and opportunities of the Thailand' export goods in Greater Mekong subregion market