Jatidiri koperasi : prinsip-prinsip koperasi untuk abad ke-21 = ICA co-operative identity statement : co-operative principles for the 21 century

Prinsip tata kelola koperasi yang baik (good co-operative governance) dalam pengaturan mengenai badan usaha koperasi dan pengelolaanya di Indonesia = The principles of good co-operative governance in the regulation on co-operative enterprise and its management in Indonesia

Analisis yuridis mengenai kepailitan yang dimohonkan oleh anggota koperasi terhadap badan hukum koperasi: studi kasus putusan no.07/Pailit/2013/Pn.Niaga.Smg = Legal analysis of cooperative legal entities bankruptcy conducted by member of cooperative: case study Semarang commercial court's decision number 07/Pailit/2013/Pn.Niaga.Smg

Prinsip kerja sama dan prinsip kesantunan dalam percakapan Bahasa Jepang = Co-operative principle and politeness principle in Japanese conversation

Tinjauan hukum terhadap pemberian bunga oleh rapat anggota koperasi simpan pinjam kepada anggota. Studi kasus: Koperasi Dana Mandiri = Legal review of cooperative interest giving by member meetings loan and savings cooperatives to members. Case study: Dana Mandiri Cooperatives