Dang Trung, Nguyen Thi Hong, and Nguyen Thi Thu Hoai. “Assessing the Relationship Between Two Main Agricultural Commodities in Daklak Province: Evidence from Coffee and Pepper”. VNU JOURNAL OF ECONOMICS AND BUSINESS, vol. 3, no. 1, Feb. 2023, doi:10.57110/jebvn.v3i1.165.