Supapvanich, S., Raruang, Y. and Promyou, S. (2024) “Impact of chilling stress on quality and bioactive compounds in young and mature leaves of kratom [Mitragyna speciosa (Korth.) Havil.]”, Agriculture and Natural Resources. Bangkok, Thailand, 58(5), pp. 593–602. available at: https://li01.tci-thaijo.org/index.php/anres/article/view/266208 (accessed: 26 August 2026).