නිෂ්පාදන ප්‍රවර්ධන සමාජ විද්‍යාව

Nishpadana pravardhana samaja vidyava

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Bibliographic Details
Main Author:	කුමාරපේලි, තිසර
Format:	Book
Language:	Sinhalese
Published:	කොළඹ : ඇස්. ගොඩගේ, 2019.
Subjects:	Production management-Sociological aspects Manufacturing processes-Sociological aspects Marketing-Sociological aspects
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