Aekgaraj Tagaew. (2024) Problems and Needs of Instruction in chemistry on Stoichiometry of tenth-grade students. <i>Journal of Science and Science Education</i>, <i>7</i>(1), 159-176.Aekgaraj Tagaew. "Problems and Needs of Instruction in chemistry on Stoichiometry of tenth-grade students". Journal of Science and Science Education 7 (2024):159-176.Aekgaraj Tagaew. Problems and Needs of Instruction in chemistry on Stoichiometry of tenth-grade students. Faculty of Science, Ubon Ratchathani University:ม.ป.ท. 2024.