| 3P1 | Standardizing service operations to realize high-quality and high-efficiency services | Alghisi and Saccani (2015), Kindstrom and Kowalkowski (2014), Oliva and Kallenberg (2003), Auguste et al. (2006), Manresa et al. (2020), Valtakoski and Witell (2018) |
| 3P2 | Modularizing service content to ensure that customization and scaling are compatible | Adrodegari and Saccani (2017), Alghisi and Saccani (2015), Gremyr et al. (2010), Kucza and Gebauer (2011), Qi et al. (2020), Sousa and da Silveira (2017), Kohtamäki (2020) |
| 3P3 | Aligning product specifications with services to generate synergy via the combination of products and services | Adrodegari and Saccani (2017), Baines et al. (2009b), Kindstrom and Kowalkowski (2014), Reim et al. (2015), Story et al. (2017), Ulaga and Reinartz (2011), Beltagui (2018), Sousa and da Silveira (2017), Ceci and Masini (2011) |
| 3P4 | Developing services together with customers and stakeholders that have detailed knowledge on customers such as frontline employees to fulfill customer requirements | Alghisi and Saccani (2015), Baines et al. (2009), Coreynen et al. (2017), Kindstrom and Kowalkowski (2014), Kindström et al. (2013), Parida et al. (2014), 2015),Parida et al., 2015, Ulaga and Reinartz (2011), Kindstrom and Kowalkowski (2009), Huikkola and Kohtamaki (2017), Raddats et al. (2017) |
| 3P5 | Developing services together with stakeholders that take responsibility for selling and providing services to enhance their commitment | Alghisi and Saccani (2015), Lofberg et al. (2010), Raddats et al. (2017), Reim et al. (2015), Cavalieri and Pezzotta (2012), Karlsson et al. (2017), Lütjen et al. (2019) |
| 3P6 | Evaluating the risks relating to product failure and service operations to take preventive measures against them | Alghisi and Saccani (2015), Paiola et al. (2013), Rapaccini (2015), Story et al. (2017), Ulaga and Reinartz (2011), Raddats et al. (2017), Brax (2005) |
| 3P7 | Understanding the legal barriers to promoting and diffusing services to take preventive measures against them | Ceschin (2013), Lütjen et al. (2019) |