فهرس المقالات NARAYANAKUMAR SOMASUNDARAM المقاله 1 - Seismic study and spatial observations of a & b – values for the different earthquake hazard zones of India 20.1001.1.20088779.2020.12.4.1.3 10.30495/ijes.2020.677472 Narayanakumar Somasundaram Surendra Nadh Somala Evgenii Rogozhin Svetlana Rodina Iranian Journal of Earth Sciences , العدد 5 , السنة 12 , پاییز 2020
