Labour and social issues in plantations in South Asia : role of social dialogue / edited by A. Sivananthiran and C. S. Venkata Ratnam Sivananthiran A. ed. Venkata Ratnam C. S. ed. Plantation South Asia 307.72 LAB New Delhi : International Labour Organization, 2002. 2002. 2002 Text vi, [2], 240 p. : eng South Asia