What has the author Jagdeep Dhillon written?

Harinder J. Dhillon has written:

'Some Key-Points of Hindi, Panjabi (Gurmukhi), Panjabi (Persian) or Urdu Grammar'

'Thirty-two basic steps into Panjabi vocabulary' -- subject(s): Panjabi language, English, Glossaries, vocabularies, Study and teaching, Vocabulary, Textbooks for foreign speakers, Gurmukhi alphabet