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| Muhammad Firdaus |
| Mandala Institute of Technology and Science |
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| Sumatra No. 118-120 |
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| Jember Regency, East Java 68121 |
| Indonesia |
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| muhammadfirdauus20@gmail.com |
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JEL Areas:
L1 : Market Structure, Firm Strategy, and Market Performance: General
I1 : Health: General |
