Gunawardana, A. M. T., Wickramasinghe, M. L., & Abeyratne, S. (1980). Farmers' knowledge and perception of improved technology: A study of five farming systems. Agrarian Research and Training Institute.
Chicago Style (17th ed.) CitationGunawardana, A. M. T., M. L. Wickramasinghe, and S. Abeyratne. Farmers' Knowledge and Perception of Improved Technology: A Study of Five Farming Systems. Colombo: Agrarian Research and Training Institute, 1980.
MLA (9th ed.) CitationGunawardana, A. M. T., et al. Farmers' Knowledge and Perception of Improved Technology: A Study of Five Farming Systems. Agrarian Research and Training Institute, 1980.
Warning: These citations may not always be 100% accurate.