Untari, Ladipa, and Ladipa Untari. 2023. “The Effect of Using Letter Card Media On The Language Ability (Literacy) Of Children Aged 4-5 Years At RA Tsamaniatun Hasanah Medan-Binjai KM.13.5 In Academic Year 2021 2022”. International Journal of Applied and Advanced Multidisciplinary Research 1 (2):107-18. https://doi.org/10.59890/ijaamr.v1i2.630.