Sardjana Orba Manullang, Agustian Budi Prasetya, Yessy Kusumadewi, Okti Primurianti Zakaria. “Understanding Relevancy of Technological Trends in Environmental Conservation Efforts and Business Sustainability in Indonesia: A Systematic Review Study”. Annals of the Romanian Society for Cell Biology, May 2021, pp. 2230-4, http://www.annalsofrscb.ro/index.php/journal/article/view/4762.