Volume 02 No. 02 July 1969 http://dr.lib.sjp.ac.lk/handle/123456789/258 2026-04-23T12:15:44Z Methods of Trade Union Action:Part 11 Picketing, Go Slow Stay- In -Strike Gherao, Overtime Ban and Lock-Out http://dr.lib.sjp.ac.lk/handle/123456789/299 Methods of Trade Union Action:Part 11 Picketing, Go Slow Stay- In -Strike Gherao, Overtime Ban and Lock-Out De Silva, S.R. 1969-01-01T00:00:00Z Two Schools of Materialism in Indian Thought http://dr.lib.sjp.ac.lk/handle/123456789/275 Two Schools of Materialism in Indian Thought Kalupahana, D.J. 1969-01-01T00:00:00Z Some Characteristics of the Urbanization of Ceylon and its Relationships to Development Planning http://dr.lib.sjp.ac.lk/handle/123456789/274 Some Characteristics of the Urbanization of Ceylon and its Relationships to Development Planning Panditharatna, B.L. 1969-01-01T00:00:00Z සිදත් සඟරාව පද්‍යකරණය සඳහා ලියු අත් පොතක්ද? http://dr.lib.sjp.ac.lk/handle/123456789/273 සිදත් සඟරාව පද්‍යකරණය සඳහා ලියු අත් පොතක්ද? Wijayasooriya, Wimala 1969-01-01T00:00:00Z