Thi Thuy Hang Vu, Ngoc Thang Vu, Thi Tuyet Cham Le and Thi Ngoc Pham 2023. Soybean yield, seed quality and thresh efficiency by mechanisation at different harvesting stages and postharvest ripening. Vietnam Journal of Science, Technology and Engineering. 65, 3 (Sep. 2023), 66-74. DOI:https://doi.org/10.31276/VJSTE.65(3).66-74.