Firas ayal mater. “The Analysis of the Content of Biology Books for the Fourth Grade of Science Branch in the Light of the Dimensions of the Blue Economy”. Turkish Journal of Computer and Mathematics Education (TURCOMAT) 11, no. 1 (January 31, 2022): 596–607. Accessed April 27, 2024. https://turcomat.org/index.php/turkbilmat/article/view/12060.