Ibrado, A. J. N. POEtent Perl (Part 1 of 3): Perl multitasking made easy. PC World Philippines.
Chicago-viite (17. p.)Ibrado, Alex Jonathan N. "POEtent Perl (Part 1 of 3): Perl Multitasking Made Easy." PC World Philippines .
MLA-viite (9. p.)Ibrado, Alex Jonathan N. "POEtent Perl (Part 1 of 3): Perl Multitasking Made Easy." PC World Philippines, .
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