Nguyen, T. and 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 (Dec. 2019), 31-38. DOI:https://doi.org/10.35382/18594816.1.36.2019.314.