1. Asdi A, Putra AHPK (2020) The effect of marketing mix (4P) on buying decision: empirical study on brand of Samsung smartphone product. Point View Res Manag 1(4):121–130
2. Baike. https://baike.baidu.com/item/PUMA/620783. Last accessed 2022/5/30
3. Chen Y (1997) Equilibrium product bundling. J Bus 70(1):85
4. CityAM website. https://www.cityam.com/CORONAVIRUS-OUTBREAK-SPORTSWEAR-GIANTS-PUMA-AND-ADIDAS-WARN-ON-TRADING-IMPACT/. Last accessed 2022/6/24
5. Cleverism website. https://www.cleverism.com/place-four-ps-marketing-mix/. Last accessed 2022/6/17