Information Journal Paper
APA:
CopyPORTER, M.. (1979). HOW COMPETITIVE FORCES SHAPE STRATEGY. HARVARD BUSINESS REVIEW, 57(2), 137-145. SID. https://sid.ir/paper/596521/en
Vancouver:
CopyPORTER M.. HOW COMPETITIVE FORCES SHAPE STRATEGY. HARVARD BUSINESS REVIEW[Internet]. 1979;57(2):137-145. Available from: https://sid.ir/paper/596521/en
IEEE:
CopyM. PORTER, “HOW COMPETITIVE FORCES SHAPE STRATEGY,” HARVARD BUSINESS REVIEW, vol. 57, no. 2, pp. 137–145, 1979, [Online]. Available: https://sid.ir/paper/596521/en