Ratnapala, Nandasena
New horizons in research methodology - Ratmalana Sarvodaya Research Institute 1986 - 164p. 23 cm
Sri Lanka
Poverty
SOC 303 / RAT
New horizons in research methodology - Ratmalana Sarvodaya Research Institute 1986 - 164p. 23 cm
Sri Lanka
Poverty
SOC 303 / RAT