Agar chahte ho PopUp firm kholna karna hai, to {yeh | ise | yeh) madad helpful hoga . Pehle , {ek | ekta | ekat) alag model kaise nikalen aur apne marketing strategy kaisein banaye chahte hain . Aapni karmi kaisein karen aur gaharsh ko kya karke samjhe ye sab kaise sikhaye ko mahatvpoorn hai .