S. S. Sabharwal, S. Khokhar, . (1995). Applied Mathematics. Jalandhar: Eagle Prakashan.
S. S. Sabharwal, S. Khokhar, . 1995. Applied Mathematics. Jalandhar: Eagle Prakashan.
S. S. Sabharwal, S. Khokhar, . Applied Mathematics. Jalandhar: Eagle Prakashan. 1995.