Sirisatianwattana P, Kongin C. Algorithm for Calculating the Number of Derivations on Chain Lattice. J. Sci. Technol. CRRU [internet]. 2022 Dec. 27 [cited 2026 Sep. 14];1(2):27-3. available from: https://li01.tci-thaijo.org/index.php/jstcrru/article/view/256177