Hastuti, W.D., Astati, S.M., Sudarjo, S. and Fathoni, A. 2023. The Effect of Mathematical Intelligence Stick Media on the Summation Skills of Students with Intellectual Disability. Pegem Journal of Education and Instruction. 13, 3 (Jul. 2023), 203–208. DOI:https://doi.org/10.47750/pegegog.13.03.21.