Kanyaphak Paikhlaew และ Yanapat Tongron. (2022) The Number of Integers Divisible by a^k Except a^(k+l) b. <i>Science & Technology Asia</i>, <i>27</i>(3), 132-136.Kanyaphak Paikhlaew และ Yanapat Tongron. "The Number of Integers Divisible by a^k Except a^(k+l) b". Science & Technology Asia 27 (2022):132-136.Kanyaphak Paikhlaew และ Yanapat Tongron. The Number of Integers Divisible by a^k Except a^(k+l) b. Research Administration Division:ม.ป.ท. 2022.