PHD Mario Pei profile picture

PHD Mario Pei

Is this your author profile? Create an account to claim and customize it!

Stand Alone

Practical English and the Command of Words An Educational Service for Adults Comprising Vocabulary Development, Pronunciation, Enunciation, Diction, Grammar, Spelling, Punctuation, Usage, Fluency, and Other Essentials of Effective Communication Presented in Forty-eight Self-teaching Units