Haryanto, Totok, and Maharani Retnaningrum. “PENGARUH CAPITAL EXPENDITURE TERHADAP REVENUE, NUMBER OF CUSTOMER, PROFIT DAN RETURN ON INVESTMENT (STUDI PADA PERUSAHAAN TELEKOMUNIKASI YANG TERDAFTAR DI BEI PERIODE 2009-2016)”. JMM UNRAM - MASTER OF MANAGEMENT JOURNAL 8, no. 3 (July 10, 2019): 270–279. Accessed May 5, 2024. http://jmm.unram.ac.id/index.php/jurnal/article/view/451.