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John A Yang

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8 Presentations
United States
Rejoint 12/28/2018

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Private Water Supply A Pennsylvania Perspective Birchwood Lakes Community Association

Private Water Supply A Pennsylvania Perspective Birchwood Lakes Community Association

664 vues

LEZIONE 4 DELLA SCUOLA DEL SABATO

LEZIONE 4 DELLA SCUOLA DEL SABATO

125 vues

Introduction of Desktop Video Conferencing based on ITU-Standard H.350

Introduction of Desktop Video Conferencing based on ITU-Standard H.350

114 vues

Seasonal Affective Disorder (SAD)

Seasonal Affective Disorder (SAD)

152 vues

Geometry: Teaching and Learning

Geometry: Teaching and Learning

706 vues

State Deputy Orientation Meeting

State Deputy Orientation Meeting

188 vues

Gift of the Holy ghost

Gift of the Holy ghost

158 vues

Human Genetics

263 vues