NURUJJAMAN LASKAR; DR. SHANKAR THAPPA. Development of Productivity Measurement Model with Special Reference to Tea Production in Assam. International Journal of Management Studies (IJMS), [S. l.], v. 5, n. 2(2), p. 91–98, 2021. Disponível em: https://researchersworld.com/index.php/ijms/article/view/1759. Acesso em: 20 jun. 2025.