Bagayas, N. A. L., Bulan, S. A. M., Molina, P. O., & Pandan, M. A. T. (1993). Production of barium ferrite magnets from steel mill scales. College of Engineering.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBagayas, Nathalie Ann L., Stephanie Ann M. Bulan, Patricia O. Molina, और Mary Ann T. Pandan. Production of Barium Ferrite Magnets from Steel Mill Scales. Quezon City: College of Engineering, 1993.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBagayas, Nathalie Ann L., et al. Production of Barium Ferrite Magnets from Steel Mill Scales. College of Engineering, 1993.
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