Forecasting number of ISO 14001 certifications of selected countries: application of even GM (1,1), DGM, and NDGM models
Crossref DOI link: https://doi.org/10.1007/s11356-019-04534-2
Published Online: 2019-03-08
Published Print: 2019-04
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Ikram, Muhammad
Mahmoudi, Amin
Shah, Syed Zulfiqar Ali
Mohsin, Muhammad
Text and Data Mining valid from 2019-03-08
Article History
Received: 9 November 2018
Accepted: 7 February 2019
First Online: 8 March 2019