1. Determination of protein content in food, method 945.18-B;AOAC,2005
2. Micro-chemical determination of carbon, hydrogen, and nitrogen, automated method, method 972.43;AOAC,2000
3. Adaptation of crops to partial shade in mixed cropping systems;Bayala,2015
4. Principles of Resource capture and use of light and water;Black,2015
5. Stable carbon isotope ratios of natural materials: I. Sample preparation and mass spectrometric analysis;Boutton,1991