Laksana PYK, Setyanto RH, Herdiman L. Redesign walker for children with diplegic cerebral palsy using TRIZ method. j. sist. manaj. ind. [Internet]. 2021Jun.1 [cited 2024Apr.20];5(1):8-14. Available from: https://e-jurnal.lppmunsera.org/index.php/JSMI/article/view/2855