Nugroho, A. and Jaqin, C. 2018. PENINGKATAN PERFORMA KINERJA PELAYANAN INDUSTRI TELEKOMUNIKASI MENGGUNAKAN FILOSOFI KAIZEN DAN VISUAL STREAM MAPPING STUDI KASUS PT. TELKOM INDONESIA REGIONAL II JAKARTA PUSAT. Operations Excellence: Journal of Applied Industrial Engineering. 9, 1 (Jul. 2018), 13–26.