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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

657 vues

LEZIONE 4 DELLA SCUOLA DEL SABATO

LEZIONE 4 DELLA SCUOLA DEL SABATO

118 vues

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

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

110 vues

Seasonal Affective Disorder (SAD)

Seasonal Affective Disorder (SAD)

149 vues

Geometry: Teaching and Learning

Geometry: Teaching and Learning

701 vues

State Deputy Orientation Meeting

State Deputy Orientation Meeting

184 vues

Gift of the Holy ghost

Gift of the Holy ghost

154 vues

Human Genetics

260 vues