Harini, C., S. H. Priyanto, J. J. O. I. Ihalauw, and R. K. Andadari. “The Role of Ecological Innovation and Ecological Marketing towards Green Marketing Performance Improvement”. Management and Entrepreneurship: Trends of Development, Vol. 1, no. 11, Apr. 2020, pp. 98-12, doi:https://doi.org/10.26661/2522-1566/2020-1/11-07.