The visiting Chief of the Turkish General Staff, General Yasar Guler called on President Dr. Arif Alvi at Aiwan-e-Sadr APP56-240322 ISLAMABAD: March 24 The visiting Chief of the Turkish General Staff, General Yasar Guler called on President Dr. Arif Alvi at Aiwan-e-Sadr. APP APP56-240322 ISLAMABAD: