The Impact of Partnership Programs on Coffee Farm Performance: A Propensity Score Matching Analysis from Lampung Province, Indonesia - Prasmatiwi, Fembriarti Erry; Sayekti, Wuryaningsih Dwi; Lestari, Dyah Aring Hepiana; Adawiyah, Rabiatul; Sari, Dewi Mulia; Astuti, Tri Novi (Research on World Agricultural Economy, 2026)