Items where Author is "Abdullah, Yusuf"
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Kusmayadi, Dedi and Abdullah, Yusuf and Firmansyah, Irman Analysis of Gas, Oil, and Coal Company Performance during Pandemic of Covid-19: A Case Study of Indonesia. International Journal of Energy Economics and Policy.
Kusmayadi, Dedi and Abdullah, Yusuf and Firmansyah, Irman Kinerja Perusahaan dengan Pendekatan Rasio-rasio Keuangan. MANGGU MAKMUR TANJUNG LESTARI.