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            1Compaction grouting consensus guidePublicado 2019Ligazón do recurso
 Ligazón do recurso
 Electronic Resource
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            2
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            3Compaction grouting consensus guidePublicado 2010Available for University of the Philippines Diliman College of Engineering via ASCE Library. Click here to access
 Also available remotely for University of the Philippines Diliman College of Engineering via ASCE Library. Click here to access thru EZproxy
 Electronic Resource
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            4Residue handling and soil disturbance of an inclined tine furrow openerPublicado en Philippine Engineering Journal (1995)Artigo
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