2019 - Volume 21 [Issue 1]


Original Research Article

A Study on the Application of Gamma Transmission Techniques on the Quality Control of Sandcrete Block

A. O. Ogunrotimi, M. Y. Onimisi, I. O. Okunade

DOI: 10.9734/psij/2019/v21i130090

Page: 1-9

Effects of Some Meteorological Parameters on Visibility in the Niger Delta Region of Nigeria

C. O. Nwokocha, C. U. Okujagu, P. I. Enyinna

DOI: 10.9734/psij/2019/v21i130092

Page: 1-11

Outdoor Radon Measurements during 2018 in São José dos Campos, Brazil

Inacio M. Martin, Douglas C. Vilela

DOI: 10.9734/psij/2019/v21i130093

Page: 1-9


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