Krugman, Paul R (Autor Personal)

Helpman, E. Market structure and foreign trade, c1985: CIP t.p. (Paul R. Krugman)

His Adjustment in the world economy, 1987: t.p. (Paul Krugman) p. 2 of cover (Prof. of Economics, MIT)

Graham, E.M. Foreign direct investment in the U.S., 1989: CIP t.p. (Paul R. Krugman) data sht. (b. 2-28-53)

Krugman, Paul R. Competitiveness, 1994: t.p. (P. Krugman)

The great unraveling, 2003: t.p. (Paul Krugman)

Fundamentos de economía, 2008: t.p. (Paul Krugman)