จตุพร เ. and สุขประเสริฐ พ. (2016) “PRICE INTEGRATION ANALYSIS AMONG RUBBER MARKETS OF THAILAND”, RMUTT Global Business and Economics Review. Pathum Thani, Thailand, 11(2), pp. 1–10. available at: https://so03.tci-thaijo.org/index.php/RMUTT-Gber/article/view/241956 (accessed: 31 August 2026).