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Afsantin S, Sumaji, Kanzunnudin M. Need Analysis of Using Button Seed Boards Based on Performance Assessment as Mathematics Learning Media for Elementary Schools in Kudus District. J TECHNOL HUM [Internet]. 2024Jul.28 [cited 2024Oct.3];5(1):71-5. Available from: https://ejournal.jthkkss.com/index.php/jthkkss/article/view/108