National and International Agricultural Research and Extension Programs. By James K. Boyce and Robert E. Evenson. New York: Agricultural Development Council 1975. IX+pp.229. $4.50. The Pakistan Development Review, [S. l.], v. 15, n. 3, p. pp.342–345, 2022. DOI: 10.30541/v15i3pp.342-345. Disponível em: https://thepdr.pk/index.php/pdr/article/view/429. Acesso em: 8 jun. 2025.