Ha Thi Lich, Nguyen Thi Huyen. FRENCH COLONIALISTS’ TRICKS TO USE THE RAILWAY LINE OF KUNMING – LAO CAI – HA NOI – HAI PHONG. jshe [Internet]. 2013Jun.27 [cited 2024Dec.22];3(2):51-4. Available from: https://jshe.vn/index.php/jshe/article/view/453