A study of the use of manipulatives in the assessment of mathematics instruction with ESL Hispanic students. Bilingual Research Journal, 22(2-4), 215-235. I'm including this reference and abstract because it seems like an ideal research article for our group. Unfortunately, the report is written in Spanish only.
Red Rangers are a generation cross from the popular Rhode Island Red & are also known as Columbian Blacktails. These pretty chestnut hen's adapt well to most set up's, especially as backgarden hen's, free-rangers and smallholdings.
The Green Ranger is a designation given to several characters in Power Rangers. The Green Ranger in a core team is usually a comic relief character. Green Rangers who are Sixth Rangers tend to be serious powerhouse characters. The Green Ranger is also one of the few Rangers who receive special gear, along with the Red and Blue Rangers.