�Sarm�a, Satyaprak�a�sa.

Service marketing[electronic resource] / …で: ebrary, Inc.; �Sarm�a, Satyaprak�a�sa. (言語・文字資料 (印刷物))

Marketing and sales management[electronic resource] / …で: Joshi, Dilip B.; ebrary, Inc.; �Sarm�a, Satyaprak�a�sa. (言語・文字資料 (印刷物))