P1-B irrigation project for switch-on in Isabela. IN Luzon News by Regala, Franco G.

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PH checks viability of Isabela gas well by Olchondra, Riza T.

PH checks viability of Isabela gas well by Olchondra, Riza T.

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Creating functional groups for analysis of forest data in Palanan, Isabela by Meneses, Angelo C., Rondon, Ryan Odylon G.

Water balance study of the north zone of the Magat River Irrigation System, Isabela by Galinato, Gregorio Jamilo 1946-

Kultura at kapaligiran pangkulturang pagbabago at kapanatagan ng mga Agta sa Palanan, Isabela by Bennagen, Ponciano L. 1941-

Health and nutrition needs and practices of rural homemakers as bases for evolving a health and nutrition program for a barangay by Guzman, Helen M. 1955-

The collection of real property tax for education (R.A. No. 5477) in Mallig, Isabela before and during martial law by Tumaliuan, Desideria Tagulao 1937-

Studies on the Isabela strain of Xanthomonas oryzae by Merca, Silvino D. 1947-

Content analysis of criterion-referenced tests used in the Division of Isabela by Pancho, Gertrudes C.