w20.07 p. 23 par. 10

w26.09 p. 23 par. 12

lff lesson 27

w26.01 p. 18 par. 15

lff lesson 52 point 5

w20.07 p. 6 par. 15

mrt article 33 par. 8

wcg chap. 54

ijwbq article 87 par. 1

w20.01 p. 22 par. 8

w20.01 p. 22 par. 8

w20.12 p. 8 par. 2

w25.12 p. 17 par. 12

w24.08 p. 10 par. 8

w20.07 p. 24 par. 13

lff lesson 18 point 2

w20.07 p. 24

w25.04 p. 19

w21.04 p. 23 par. 12

lff lesson 7 point 3

lff lesson 13 point 2

lff lesson 28 point 3

lff lesson 28 point 3

lff lesson 46 point 1

lff lesson 28 point 3

lff lesson 46 point 1

lff lesson 8 points 1-7

lff lesson 23

lff lesson 28 point 3

lff lesson 34

ijwbq article 174 pars. 24-25

ijwbq article 129

ijwbq article 191 pars. 19-21

lff lesson 9 point 1

lff lesson 26 points 1-7

lff lesson 45 point 2