Aganon, M. E. (1981). Case studies on labor productivity (with emphasis on some associated causes and possible consequences). Research and Publications Section, Asian Labor Education Center, University of the Philippines.

Aganon, Marie Edralin. Case Studies on Labor Productivity (with Emphasis on Some Associated Causes and Possible Consequences). Quezon City: Research and Publications Section, Asian Labor Education Center, University of the Philippines, 1981.

Aganon, Marie Edralin. Case Studies on Labor Productivity (with Emphasis on Some Associated Causes and Possible Consequences). Research and Publications Section, Asian Labor Education Center, University of the Philippines, 1981.