Title: Rāingān kānsưksā rư̄ang kāntalāt læ rākhā khō̜ng phalittaphon thāng kasēt nai khēt lumnam Čhaophrayā tōn̜ bon khō̜ng Prathēt Thai Phō̜. Sō̜. 2512
Description: Report on marketing of agricultural products in upper Chao Phya River region, 1969.