Fertiliser, Plant Nutrient Management, and Self-reliance in Agriculture. The Pakistan Development Review, [S. l.], v. 37, n. 4II, p. pp.217–233, 1998. DOI: 10.30541/v37i4IIpp.217-233. Disponível em: https://thepdr.pk/index.php/pdr/article/view/1551. Acesso em: 26 oct. 2025.