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Message * Kānwičhai Læ Phatthanā Sakkayaphāp Kānthō̜ngthīeo Rawāng Prathēt Thai Kap Prathēt Phư̄anbān Sēnthāng Kānthō̜ngthīeo ʻubon Rātchathānī - Sawannakhēt - Dā Nang : Rāingān Kānwičhai Raya Thī 1 = Research and Development of Tourism Potentiality Between Thailand and Neighbouring Countries : a Route of Tourism Ubon Ratchathani - Savannakhet - Da Nang : Phase i - 9746928171 - 9789746928175