Retraction notice to 'Prediction early age compressive strength of OPC-based geopolymers with different alkali activators and seashell powder by gene expression programming' [Ceram. Int. 39 (2013) 1433–1442]
Autor: | Mohammad Ghafouri Safarnejad, Ali Nazari |
---|---|
Rok vydání: | 2021 |
Předmět: | |
Zdroj: | Ceramics International. 47:11828 |
ISSN: | 0272-8842 |
Databáze: | OpenAIRE |
Externí odkaz: |