Title New Bounds for the Estrada Index of Phenylenes Type of Research Article Keywords New Bounds for the Estrada Index of Phenylenes Abstract New Bounds for the Estrada Index of Phenylenes Researchers Muhammad Aamer Rashid (First Researcher)، Sarfraz Ahmad (Second Researcher)، Muhammad Kamran Siddiqui (Third Researcher)، Akbar Jahanbani (Fourth Researcher)، Seyed Mahmoud Sheikholeslami Kavkani (Fifth Researcher)، Zehui Shao (Not In First Six Researchers)