Analisis aspek kelembagaan koperasi dalam melaksanakan program one village one product (OVOP) binaan Kementerian Koperasi dan Usaha Kecil Menengah : studi Koperasi Mitra Tani Parahyangan, Kabupaten Cianjur, Jawa Barat = Analysis of the institutional aspects of cooperative in carrying out programs one village one product (OVOP) assisted by Ministry of Cooperatives And Small Enterprises Medium : study on Mitra Tani Parahyangan Cooperative, Cianjur regency, West Java