• Methods of Trade Union Action:Part 11 Picketing, Go Slow Stay- In -Strike Gherao, Overtime Ban and Lock-Out 

  De Silva, S.R. (1969)
• Two Schools of Materialism in Indian Thought 

  Kalupahana, D.J. (1969)
• Some Characteristics of the Urbanization of Ceylon and its Relationships to Development Planning 

  Panditharatna, B.L. (1969)
• සිදත් සඟරාව පද්‍යකරණය සඳහා ලියු අත් පොතක්ද? 

  Wijayasooriya, Wimala (1969)
• Free Amino Acids in Three Genera of Sapindaceae 

  Dharmawardena, M.W.N.; Seneviratne, A.S. (1969)
• Credit Availability an Bankers' Attitudes to Collateral Security 

  Karunasena, K.A. (1969)
• Contents 

  Unknown author (1969)

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