00427nam a2200181Ia 4500 382.7209549 So686 Soligo, Ronald Tariff protection, import substitution and investment efficiency 2 pp. 249-270 Summer 1965 5 Pakistan Development Review 0 0 ddc 0 0 ISI ISI 1998-10-30 0 382.7209549 So686 DP1764 2019-02-07 00:00:00 2019-02-07 BK 17527 17527 17527