SANTOSO, Dwi Budi; AULIA, Dynda Fadhlillah. Hydroponics for Food Self-Sufficiency in an Urban Pesantren: Evidence of Reduced Vegetable Expenditure and Improved Student Competencies. Amalee: Indonesian Journal of Community Research and Engagement, [S. l.], v. 7, n. 1, p. 181–196, 2026. DOI: 10.37680/amalee.v7i1.9002. Disponível em: https://ejournal.insuriponorogo.ac.id/index.php/amalee/article/view/9002. Acesso em: 30 apr. 2026.