Adhunik Punjabi vartak de vikas dee rekhakari, Prof Puran Singh, Gurbaksh SinghPreetlari, Balraj Sahni ate Narinder Kapoor de parsangh vich
Siddhahemacandrasabdanusasanagata Taddhitaprakarana, eka sameeksatmaka adhyayana: Paniniya Vyakarana ke aloka mein
