TY - BOOK AU - Gerard Egan TI - The Skilled Helper: A Systematic Approach to Effective Helping SN - 0-534-12138-1 PY - 1990/// CY - California PB - Brooks Cole Publishing Company KW - Education (Pendidikan) KW - E-D-U KW - A Systematic Approach to Effective Helping KW - Psikologi ER -