His Metanol som drivmedel, 1980: t.p. (fil. dr. Per-Olov Johansson)

S 80 (Johansson, Per-Olov, b. 1949)

Welfare measurement, sustainability, and green national accounting, 1996: CIP t.p. (Per-Olov Johansson, Dept. of Economics, Stockholm School of Economics, Sweden) data sheet (b. 04-03-49)

A bargaining approach to the modelling of the Swedish roundwood market, 1982: t.p. (Per Olof Johansson)

Cost-benefit analysis for project appraisal, 2016: t.p. (Per-Olov Johansson) of cover

Biblioteca del congreso (Estados Unidos), 07 febrero 2020: Catálogo electrónico http://bit.ly/2tDKByd