Lubis MM. North Sumatra’s Food Availability Model: Technology Adoption, Farmer Organization Support, and Geographic Variability. Quant. Econ. Manag. Stud. [Internet]. 2025 Dec. 22 [cited 2026 Jun. 20];6(6):908-15. Available from: https://qemsjournal.org/index.php/qems/article/view/4476