Kaya, A. Et Al. 2011. Analysis of support requirements for a tunnel portal in weak rock A case study from Turkey. Scientific Research And Essays , vol.6, no.31 , 6566-6583.

Kaya, A., BULUT, F., Alemdaǧ, S., & SAYIN, A., (2011). Analysis of support requirements for a tunnel portal in weak rock A case study from Turkey. Scientific Research And Essays , vol.6, no.31, 6566-6583.

Kaya, AYBERK Et Al. "Analysis of support requirements for a tunnel portal in weak rock A case study from Turkey," Scientific Research And Essays , vol.6, no.31, 6566-6583, 2011

Kaya, AYBERK Et Al. "Analysis of support requirements for a tunnel portal in weak rock A case study from Turkey." Scientific Research And Essays , vol.6, no.31, pp.6566-6583, 2011

Kaya, A. Et Al. (2011) . "Analysis of support requirements for a tunnel portal in weak rock A case study from Turkey." Scientific Research And Essays , vol.6, no.31, pp.6566-6583.

@article{article, author={AYBERK KAYA Et Al. }, title={Analysis of support requirements for a tunnel portal in weak rock A case study from Turkey}, journal={Scientific Research And Essays}, year=2011, pages={6566-6583} }