Nguyen, T., & Duong, L. (2019). RENOVATED DESIGN OF SOLAR PUSH-PULL TRICYCLE FOR HANDICAPPED PEOPLE. TRA VINH UNIVERSITY JOURNAL OF SCIENCE; P-ISSN: 2815-6072; E-ISSN: 2815-6099, 9(36), 31-38. https://doi.org/10.35382/18594816.1.36.2019.314