APA Citation

Purba, G. S. P. S. K. P. P. U. (2012). Food crops information systems in Kabupaten Karo (rice and pulses). Universitas Sumatera Utara.

Chicago Style Citation

Purba, Gunawan Simon; Program Studi Keteknikan Pertanian Fakultas Pertanian USU. Food Crops Information Systems in Kabupaten Karo (rice and Pulses). Universitas Sumatera Utara, 2012.

MLA Citation

Purba, Gunawan Simon; Program Studi Keteknikan Pertanian Fakultas Pertanian USU. Food Crops Information Systems in Kabupaten Karo (rice and Pulses). Universitas Sumatera Utara, 2012.

Warning: These citations may not always be 100% accurate.