Loy, M. P. A critical investigation of Philippine asbestos, obtained from Philippine Asbestos Mining Co., for Gooch crucibles.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLoy, Maria Perfeccion. A Critical Investigation of Philippine Asbestos, Obtained from Philippine Asbestos Mining Co., for Gooch Crucibles.
एमएलए (9वां संस्करण) प्रशस्ति पत्रLoy, Maria Perfeccion. A Critical Investigation of Philippine Asbestos, Obtained from Philippine Asbestos Mining Co., for Gooch Crucibles.
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