Putri RMN, Sukoco A, Ba Abbad AJA, Wulandari A, Alvianti U. THE EFFECT OF INCOME AND OPERATIONAL COSTS ON NET PROFIT IN PT HASANAH MULIA INVESTAMA PERIOD 2015-2018. ICOBUSS [Internet]. 2020Oct.4 [cited 2024May18];1(1). Available from: https://debian.stiesia.ac.id/index.php/icobuss1st/article/view/90