Shuhymee Bin Ahmad, Israr Ahmad,. «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 (diciembre 31, 2019): 746-778. Accedido abril 8, 2025. https://mail.produccioncientificaluz.org/index.php/opcion/article/view/30711.