The Synthetic Originality of Dr. John E. Penn's Universal Ratio
A Quantified TMQ Approach to Chronological Duration, Cumulative Deterioration, and the Search for a Unified Law of Proportional Change
R 235.00
Takealot · checked Yesterday
- Average
- R 235.00
- Lowest seen
- R 235.00
- Highest seen
- R 235.00
- Last change
- R 0.00
- First indexed
- 25 Sep 2026
- Retailer
- Takealot