Page 189 - C:\Users\User\Documents\Flip PDF \biology\
P. 189
* Kotpal, R.L. )1996(. vertebrates.Rastogi Puplications, India.
*Lewis, Riki; Parker, Bruce; Gaffin, Douglas and Hoefnagels , Macielle
)2007(. LiFe 6th ed. McGraw Hill, New York.
* Miller K.R. and levine, j .)2004( . Biology. Pearson Prentice Hall ,
New jersey, USA
* Raven, Peter H. ; johnsan, George B.; Losos , jonathan B. and
Sinjer, Susan R. )2005( . Biology. 7 th ed .McGraw Hill, New York.
189
