Gülistan Erdal

Kuru Soanda Üretim - Fiyat Etkileimi

Hilmi Erdal, Gülistan Erdal, 2008 .

An Alternative Energy Source: Biofuel and Its Position in Turkey

Kemal Esengün, Hilmi Erdal, Gülistan Erdal, 2009 .

Energy use and economical analysis of sugar beet production in Tokat province of Turkey

Kemal Esengün, Orhan Gündüz, Hilmi Erdal, 2007 .