Sari F, Rakimahwati R, Fitria Y. Development of 2013 Curriculum Integrated Thematic Teaching Materials With A Scientific Approach in Class 1 Elementary School. IJEDS [Internet]. 1Jun.2019 [cited 3Jul.2024];1(2):125-31. Available from: http://ijeds.ppj.unp.ac.id/index.php/IJEDS/article/view/128