BŁAŻEJCZYK-MAJKA, L.; KALA, R. THE INFLUENCE OF TECHNICAL PROGRESS ON THE MARGINAL PRODUCTIVITY OF FACTORS AND THEIR SUBSTITUTION IN FRENCH AGRICULTURE IN 1980–1999. SECTORAL APPROACH. Acta Scientiarum Polonorum. Oeconomia, [S. l.], v. 3, n. 2, p. 5–15, 2004. Disponível em: https://aspe.sggw.edu.pl/article/view/950. Acesso em: 27 apr. 2024.