Z. Perjes

• Studies on mathematical programming
• Contrasting English with Hungarian
• Contrastive studies Hungarian-English
• Geoelectric and geothermal studies (East-central Europe, Soviet Asia)
• An Overview of sociological research in Hungary
• Basic Problems of State and Society
• Batuvčir's specimens of Mongolian penmanship (1934)
• Biotechnology and Food Industry
• Geomorphological and Geoecological Essays
• Relativity Today
• Relativity Today
• The Comparison of law