anam MK, Emerlada ET, Erlinda S, Tashid T, Nasution T. The Application of Usability Testing to Analyze the Quality of Android-Based Acupressure Smart Chair Applications. MATRIK : Jurnal Manajemen, Teknik Informatika dan Rekayasa Komputer [Internet]. 2023 Mar. 31 [cited 2025 Jul. 1];22(2):217-26. Available from: https://journal.universitasbumigora.ac.id/matrik/article/view/2312