TY - BOOK AU - Forkan,Ahmed Shibli TI - Proof of Parallelogram law of forces using Dot Product & Projection SN - 978 984 33 7065 5 U1 - 510 22 PY - 2013///] CY - Dhaka PB - Dr. Deena P. Forkan KW - Mathematics N1 - Mathematics - CSE ER -