Rodin, R. and Apriyani, E. 2021. ANALYSIS OF OBSOLESCENCE AND PRODUCTIVITY OF AUTHORS USING LOTKA LAW ON THE JOURNAL OF ENTREPRENEURSHIP IN 2015 – 2019. Publication Library and Information Science. 5, 1 (Jul. 2021), 1–17. DOI:https://doi.org/10.24269/pls.v5i1.3783.