Sathaphorn Ruengrung. (2023) The effect of utilizing STEM BCG as project-based learning in solving local problems on Grade-6 students to increase learning achievement and problem-solving abilityin science and technolog. <i>Journal of Science and Science Education</i>, <i>6</i>(1), 150-160.Sathaphorn Ruengrung. "The effect of utilizing STEM BCG as project-based learning in solving local problems on Grade-6 students to increase learning achievement and problem-solving abilityin science and technolog". Journal of Science and Science Education 6 (2023):150-160.Sathaphorn Ruengrung. The effect of utilizing STEM BCG as project-based learning in solving local problems on Grade-6 students to increase learning achievement and problem-solving abilityin science and technolog. Faculty of Science, Ubon Ratchathani University:ม.ป.ท. 2023.