Shuhymee Bin Ahmad, I. A. (2019) “The Mediation Effect Of Strategic Planning On The Relationship Between Business Skills And Firm’s Performance: Evidence From Medium Enterprises in Punjab, Pakistan”, Opción, 350, pp. 746-778. Available at: https://mail.produccioncientificaluz.org/index.php/opcion/article/view/30711 (Accessed: 8April2025).