mwb25.01 pp. 2-3

mwb25.07 pp. 4-5

ijwhf article 36

scl p. 46

scl pp. 78-80

mwb23.01 p. 15

jwb-095-3.v

w22.05 pp. 26-31

jwb-088-5.v

w21.07 pp. 21-22 pars. 5-6

lff lesson 50 point 4

w20.10 pp. 26-31

jwb.202002-5.v

jwbcov.201905-21.v

jwbcov.201905-22.v

jwb.202012-8.v

jwbcov.201705-8.v

jwb.201802-5.v

osg-14.v

jwb.201708-5.v

jwb.201711-3.v