सुनील कुमार. लाला लाजपत राय का हिसार में योगदान. Innovative Research Thoughts, [S. l.], v. 8, n. 4, p. 261–265, 2022. Disponível em: https://irt.shodhsagar.com/index.php/j/article/view/1203. Acesso em: 30 apr. 2025.