Phūmniwēt sāng khā phūmpanyā sư̄p khon: rūam botkhwām thī tīphim nai nangsư̄ Matichon bot thēknōlōyī chāobān Khō̜lam "Phūmpanyā Thō̜ngthin" pī 2548-2550 by Bunyong Kētthēt. | Menrva Books