Siti Nurhasanah, and Annisa Purwani. “Improving Ability To Know Geometry Through Block Games Aged 5-6 At TKIT Cendekia”. INTERNATIONAL CONFERENCE OF HUMANITIES AND SOCIAL SCIENCE (ICHSS), Jan. 2023, pp. 751-4, https://programdoktorpbiuns.org/index.php/proceedings/article/view/211.