[1]
Cai , V.A.D., Ung , T.C., Nguyen, X.H., Nguyen, T.S., Le, N.H., Thach , T.B.N., Dao , V.H., Mai , Q.D. and Tran, V.P. 2019. Design of pedal power phone charging station. Journal of Technical Education Science. 14, 4 (Sep. 2019), 23–31.