The short history of the Ifugao Rice Terraces a local response to the Spanish conquest অনুযায়ী Acabado, Stephen B., Koller, Jared M., Liu, Chin-hsin, Lauer, Adam J., Farahani, Alan, Barretto-Tesoro, Grace, Reyes, Marian C., Martin, Jonathan Albert, Peterson, John A.

Antiquity, archaeological processes, and highland adaptation the Ifugao Rice Terraces অনুযায়ী Acabado, Stephen B.

Antiquity, archaeological processes, and highland adaptation the Ifugao rice terraces অনুযায়ী Acabado, Stephen B.

Moray Inca engineering mystery অনুযায়ী Wright, Kenneth R.

Available for University of the Philippines Diliman College of Engineering via ASCE Library. Click here to access
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The origin and history of the Philippine rice terraces অনুযায়ী Beyer, Henry Otley 1883-1966