Items where Author is "Yostan, Ronny Yohanes"

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Thesis

Tenteram, Aman and Yostan, Ronny Yohanes (1990) Studi perbandingan experimental pemakaian portland cement type I, portland pozzoland cement untuk beton terhadap pengaruh luar dari air laut and sulfat pada kekuatan tekan serta durabilitynya. Other thesis, Petra Christian University.

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