Madhiyanon, T., Soponronnarit, S. and Swasdisevi, T. (1999) “Industrial - Scale Heat Pump Drying”, Agriculture and Natural Resources. Bangkok, Thailand, 33(3), pp. 461–473. available at: https://li01.tci-thaijo.org/index.php/anres/article/view/240470 (accessed: 17 September 2026).