PHAM, V. N.; DAO, V. C.; VUONG, D. T.; TONG, V. G. THE EFFECTS OF PLANTING DISTANCE AND POTASSIUM FERTILIZER QUANTITY ON YIELD AND SEED QUALITY OF HERBA SIEGESBECKIAE (SIEGESBECKIA ORIENTALIS L.) IN THANH HOA PROVINCE. Hong Duc University Journal of Science, [S. l.], n. 62, p. 110-118, 2022. Disponível em: https://hdujs.edu.vn/index.php/hdujs/article/view/13. Acesso em: 19 jul. 2025.