NNayōbāi kānphatthanā sētthakitNayōbāi kānphatthanā sētthakitde Khwančhai SǣngmanīMateriasEconomic policyEdiciones (1)Nayōbāi kānphatthanā sētthakit (1983)Mahāwitthayālai Rāmkhamhǣng · tha