Warning: session_start(): open(/var/cpanel/php/sessions/alt-php81/sess_vm2bi1c4b8f5o3t11vlbdkasbr, 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

A.W.Widjaja, . (1986). Ilmu Sosial Dasar . Jakarta: Akademika Pressindo.

Gaya MLA

A.W.Widjaja, . "Ilmu Sosial Dasar". Jakarta: Akademika Pressindo, 1986. Text.