Amara, Ayu, Turmudi Turmudi, and Mamad Kasmad. 2022. “Analisis Kesulitan Belajar Matematika Tentang Volume Bangun Ruang Selama Pandemi Covid-19”. Renjana Pendidikan: Prosiding Seminar Nasional Pendidikan Dasar 2 (1), 819-37. http://proceedings2.upi.edu/index.php/semnaspgsdpwk/article/view/1946.