Shishila, B Prabhakara. Essentials of business economics / By B. Prabhakara Shishila. - 1st ed. - Mangalore : Shrathi Printers and Publishers , 1998 . - 490p. ; 21 cm. Subjects--Topical Terms: Organisation of Production.Costs Returns and Revenue Concepts. Dewey Class. No.: 658.001 / SHIB