Schwartz, Randal L. Learning Perl / Randal L. Schwartz, Brian D. Foy and Tom Phoenix - 6th ed. - New Delhi : c2011. - xxi, 363 p. ; ill. ; 24 cm. ISBN: 9789350234341 LCCN: Subjects--Topical Terms: PerlComputer program language LC Class. No.: QA76.73 / .P22S37 2011