Warning: session_start(): open(/var/cpanel/php/sessions/alt-php81/sess_kbd1vua3b3km1fdtfpqeuss29a, O_RDWR) failed: No such file or directory (2) in /home/ftunma/public_html/e-library/lib/Session/Factory.php on line 59

Warning: session_start(): Failed to read session data: files (path: /var/cpanel/php/sessions/alt-php81) in /home/ftunma/public_html/e-library/lib/Session/Factory.php on line 59

Gaya APA

Levine, R, A. (1981). Evaluation Research And Practice . : Sage Publications Beverly Hills.

Gaya MLA

Levine, Robert, A.. "Evaluation Research And Practice". : Sage Publications Beverly Hills, 1981. Text.