Gaya APA

Purwatmini,, F, W, A, N. (). Improving service quality of call center using dmaic method and blueprint service . : UBAYA INTERNATIONAL ANNUAL SYMPOSIUM ON MANAGEMENT.

Gaya MLA

Purwatmini,, Fino, Wahyudi, Abdul,, Nining. "Improving service quality of call center using dmaic method and blueprint service". : UBAYA INTERNATIONAL ANNUAL SYMPOSIUM ON MANAGEMENT, . Electronic Resource.