Kartikaningrum, Y. (2026). The Impact of Human Resource Planning and Development on The Productivity of SMEs in The Bulak District of Surabaya During The Covid-19 Pandemic. Journal Research of Social Science, Economics, and Management, 5(10), 12194–12212. Retrieved from https://www.jrssem.publikasiindonesia.id.solusipublish.com/index.php/jrssem/article/view/1504