Sirisatianwattana, P. and Kongin, C. (2022) “Algorithm for Calculating the Number of Derivations on Chain Lattice”, Journal of Science and Technology CRRU. Chiangrai, Thailand, 1(2), pp. 27–37. available at: https://li01.tci-thaijo.org/index.php/jstcrru/article/view/256177 (accessed: 14 April 2025).