Mai Huong, L., and P. Ngoc Dung. “EFFECT OF VARIOUS WASHING SOLUTIONS AND WASHING CONDICTIONS ON QUALITY OF FRESH-CUT LETTUCE”. Science and Technology Development Journal, Vol. 9, no. 12, Dec. 2006, pp. 71-76, doi:https://doi.org/10.32508/stdj.v9i12.3134.