“…One of the main acclaimed contributions of Lean in a public organization lies in the elimination of waste (Antony et al, 2017a;Arlbjorn and Freytag, 2013;Arlbjorn et al, 2011;Suarez-Barraza et al, 2012;Lukrafka et al, 2020), Lean purports to be a win-win game and road to eliminating waste in a public organization, through worker participation, empowerment and enthusiasm (Krause-Jensen, 2017) Lean, SS or LSS barriersdifficulties A challenge to applying Lean in the service industry such as the public administration sector is the lack of awareness of the benefits of its implementation (Gupta et al, 2016), an organization, including a public organization should first identify and define the problems that require attention, and then choose approaches and methods that target these problems, by seeking alignment between the various elements of the change process (Langstrand and Drotz, 2016), challenges of the Lean implementation in the public administration sector are related to organizational culture, managerial engagement, or organizational resistance (Madsen et al, 2017) Human factor involved in Lean/ SS/LSS Lean implementation in a public organization should involve everyone in the organization and have a clear strategic grip from the top (Holmemo and Ingvaldsen, 2018), modernization (through Lean) should aim at changing public servants' working mentality that calls for more creativity and collaboration to be embedded in services (Melissanidou and Johnston, 2019), there is a clear need to involve staff in any continuous improvement initiative (such as Lean/SS/LSS) to separate value and waste and improve the service provided (Rodgers and Antony, 2019) Lean/SS/LSS training/ knowledge Organization-wide Lean seminars in the public administration sector are great arenas for sharing experiences and improving agreed-upon, standard practices clarifications (Holmemo and Ingvaldsen, 2018), training line managers in Lean thinking and Lean leadership during the implementation phase in the public administration sector are effective ways of changing managers' priorities (Holmemo et al, 2018b), public services organisations need training on basic Lean tools and techniques in process and performance improvement, where talented junior consultants can suggest, perform and teach the client organisation (Holmemo et al, 2018b) Lean/SS/LSS assessment framework and guidelines…”