Fatimah, Atika. 2019. “ANALYSIS OF TRANSACTION COSTS OF LIQUID PETROLEUM GAS (LPG) 3 KG SUPPLY CHAIN IN YOGYAKARTA CITY”. Ekuilibrium : Jurnal Ilmiah Bidang Ilmu Ekonomi 14 (2):136-51. https://doi.org/10.24269/ekuilibrium.v14i2.2019.pp136-151.