GÜLEN, F. J. Et Al. 2003. Leaching of Nallıhan Lignites with Some Acids. Proceedings of X. Balkan Mineral Processing Congress , (Varna, Bulgaria), 303-307.

GÜLEN, F. J., DOYMAZ, İ., PİŞKİN, M. B., Özgen, S., & PİŞKİN, S., (2003). Leaching of Nallıhan Lignites with Some Acids . Proceedings of X. Balkan Mineral Processing Congress (pp.303-307). Varna, Bulgaria

GÜLEN, Fatma Et Al. "Leaching of Nallıhan Lignites with Some Acids," Proceedings of X. Balkan Mineral Processing Congress, Varna, Bulgaria, 2003

GÜLEN, Fatma J. Et Al. "Leaching of Nallıhan Lignites with Some Acids." Proceedings of X. Balkan Mineral Processing Congress , Varna, Bulgaria, pp.303-307, 2003

GÜLEN, F. J. Et Al. (2003) . "Leaching of Nallıhan Lignites with Some Acids." Proceedings of X. Balkan Mineral Processing Congress , Varna, Bulgaria, pp.303-307.

@conferencepaper{conferencepaper, author={Fatma Jale GÜLEN Et Al. }, title={Leaching of Nallıhan Lignites with Some Acids}, congress name={Proceedings of X. Balkan Mineral Processing Congress}, city={Varna}, country={Bulgaria}, year={2003}, pages={303-307} }