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Morilla, L. J. . G.; Manting, M. M. E.; Demayo, C. G. Intrafamilial Pinna Shape Variations of Fern Species Under Family Thelypteridaceae and Nephrolepidaceae Using Elliptic Fourier Analysis.
Jour. Inform. Math. Sci.
2017
,
9
, 1087-1093.