Sinta ID Purwanto S.H., M.H. 19771022 200312 1 002 Mata Kuliah Pengantar Ilmu Hukum / Introduction to Legal Science  Hukum Dagang / Commercial LawHukum Keuangan Negara / State Financial LawHukum Pajak / Law of Tax  Hukum Perjanjian dan Perkembangan Kontrak Komersial / Contract Law and Commercial Contract DevelopmentHukum Asuransi / Insurance Law Jurnal Perlindungan Hukum terhadap Hak Pemilik Tanah Untuk Pendirian Sarana Jaringan Transmisi Tenaga Listrik (2021)Advancing Corporate Social Responsibility of Mining Enterprises at East Kalimantan to Attain Sustainable Environment (2018)