JAN, Waheed Ullah; SHAH, Mahmood. A Gravity Model Approach towards Pakistan’s Bilateral Trade with SAARC Countries. Comparative Economic Research. Central and Eastern Europe, [S. l.], v. 22, n. 4, p. 23–38, 2019. DOI: 10.2478/cer-2019-0030. Disponível em: https://www.czasopisma.uni.lodz.pl/CER/article/view/6038. Acesso em: 10 dec. 2025.