21:19 duration 21 minutes 19 seconds
chapter 7 part 3
electron configuration long hand
19:29 duration 19 minutes 29 seconds
Lee M Gonzales
40:15 duration 40 minutes 15 seconds
ESL lesson 2
With Carmen Washinton, Learn English as Second Language. Lesson 2 - Contact information, addresses and numbers
15:12 duration 15 minutes 12 seconds
Texas Economy III: Professor Tannahill's…
Texas Economy III: Professor Tannahill's Lecture of April 14, 2016
Texas Economy III